Mourning John McCain

Cindy McCain, wife of, Sen. John McCain, R-Ariz. lays her head on casket during a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Ross D. Franklin, Pool/AP)

Cindy O’Neil of Tucson, Arizona (R) holds up signs as she and others wait in line for the public viewing of the late Sen. John McCain as his body lies in state at the Arizona State Capitol Rotunda on Aug. 29, 2018 in Phoenix, Ariz. (Photo: Ralph Freso/Getty Images)

A Vietnamese group from Orange County, Calif., pays their respects near the casket of Sen. John McCain during a viewing at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Jae C. Hong/AP)

Members of the public line up to pay their respects to Sen. John McCain during a viewing at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Ross D. Franklin/AP)

A woman salutes and holds a remembrance card as members of the public pay their respects as U.S. Senator John McCain lies in state in a flag draped coffin in the Arizona State Capitol in Phoenix, Ariz., Aug. 29, 2018. (Photo: Brian Snyder/Reuters)

Members of the public line up to pay their respects to Sen. John McCain as he lies in state at the Arizona Capitol Rotunda, Aug. 29, 2018 in Phoenix, Ariz. (Photo: Robyn Beck/AFP/Getty Images)

Members of the public line up to pay their respects for Sen. John McCain during a viewing at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Ross D. Franklin/AP)

Veterans walk past the casket of Sen. John McCain, R-Ariz. at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Ross D. Franklin, Pool/AP)

Mourners touch the casket during a memorial service for Sen. John McCain, R-Ariz. at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Jae C. Hong, Pool/AP)

Meghan McCain, daughter of, Sen. John McCain, R-Ariz., touches the casket during a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo/Ross D. Franklin, Pool/AP)

Meghan McCain, daughter of, Sen. John McCain, R-Ariz. cries at the casket of her father during a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Jae C. Hong, Pool/AP)

Jack McCain, son of, Sen. John McCain, R-Ariz. touches the casket during a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Ross D. Franklin, Pool/AP)

Cindy McCain, wife of Sen. John McCain, R-Ariz. sits with her son Jack during a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Jae C. Hong, Pool/AP)

The Arizona National Guard carries the casket into the museum rotunda during a memorial service for Sen. John McCain, R-Ariz. at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Jae C. Hong, Pool/AP)

Children of Sen. John McCain, R-Ariz., from back left Sidney McCain, Meghan McCain and her husband Ben Domenech, Bridgett McCain, front center and daughter-n-law Holly McCain, follow behind the casket into the Capitol rotunda for a memorial service, Wednesday, Aug. 29, 2018, at the Capitol in Phoenix. (Photo: Matt York/AP)

An Arizona National Guard Casket Team carries the casket of Sen. John McCain, R-Ariz., into the Capitol rotunda for a memorial service, Wednesday, Aug. 29, 2018, at the Capitol in Phoenix. (Photo: Matt York/AP)

Cindy McCain and her son, Jack McCain, follow behind military personal carrying the casket of Sen. John McCain, R-Ariz., into the Capitol rotunda for a memorial service, Wednesday, Aug. 29, 2018, at the Capitol in Phoenix. (Photo: Matt York/AP)

The Arizona National Guard carries the casket of Sen. John McCain, R-Ariz., into a memorial service at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix. (Photo: Rob Schumacher/The Arizona Republic via AP, Pool)

Military personal carry the casket of Sen. John McCain, R-Ariz., into the Capitol rotunda for a memorial service, Wednesday, Aug. 29, 2018, at the Capitol in Phoenix. (Photo: Matt York/AP)

Members of the Arizona Department of Public Safety line up before the casket of Senator John McCain is carried by members of the Arizona National Guard to the Arizona State Capitol Rotunda where he will lie in state, Aug. 29, 2018 in Phoenix, Ariz. (Photo: Robyn Beck/AFP/Getty Images)

Cindy McCain arrives for a memorial service for Sen. John McCain, R-Ariz. at the Arizona Capitol on Wednesday, Aug. 29, 2018, in Phoenix, escorted by her sons Jimmy, left, and Jack. (Photo: Matt York/AP)

An early morning view before the casket of Senator John McCain is carried by members of the Arizona National Guard to the Arizona State Capitol Rotunda where he will lie in state, Aug. 29, 2018 in Phoenix, Ariz. (Photo: Robyn Beck/AFP/Getty Images)

The desk of Sen. John McCain, R-Ariz., is draped in black on the floor of the U.S. Senate on Monday, Aug. 27, 2018, on Capitol Hill in Washington. (Photo: Senate Television via AP)

A combination of three photographs shows the U.S. flag atop the White House flying at half staff Sunday morning Aug. 26 in honor of the death of Senator John McCain (top), back at full staff less than 24 hours later on Monday morning August 27 (middle) and then back down to half-staff Monday afternoon (bottom) in Washington, Aug. 27, 2018. (Photos: Joshua Roberts, Kevin Lamarque, Leah Millis/Reuters)

Traders and financial professionals observe a moment of silence for the late Sen. John McCain prior to the opening bell on the floor of the New York Stock Exchange (NYSE), Aug. 27, 2018 in New York City. (Photo: Drew Angerer/Getty Images)

Members of the POW-MIA-KIA Honor Guard stand watch at a makeshift memorial for Sen. John McCain (R-AZ) outside of the A.L. Moore Grimshaw mortuary on August 27, 2018 in Phoenix, Ariz. (Photo: Justin Sullivan/Getty Images)

Cars drive by a billboard with a message honoring Sen. John McCain (R-AZ) on Aug. 27, 2018 in Phoenix, Ariz. (Photo: Justin Sullivan/Getty Images)

U.S. military attache Ton Tuan pays tribute with a salute before sculpture depicting the capture the then-US Navy pilot John McCain whose fighter jet was shot down in 1967, near Truc Bach lake in Hanoi on Aug. 27, 2018. (Photo: Nhac Nguyen/AFP/Getty Images)

The Aria Resort and Casino sign honors Sen. John McCain on the Strip in Las Vegas, Nev., on Monday, Aug. 27, 2018. Sen. McCain died frmo brain cancer over the weekend. (Photo: Bill Clark/CQ Roll Call/Getty Images)

Debbie Totten of Phoenix, Arizona places American flags at the Dignity Memorial Mortuary honoring the late Sen. John McCain on Aug. 26, 2018 in Phoenix, Ariz. (Photo: Ralph Freso/Getty Images)

Flowers lay at the portrait of late United States Senator John McCain outside the Embassy of the United States in Kiev, capital of Ukraine, Aug. 27, 2018. (Photo: Danil Shamkin / Barcroft Media via Getty Images)

Michael and Ashley Harper, former campaign staffers for the late Sen. John McCain, R-Ariz., pay their respects at his Russell Building office with their children Culhane, 5, left, Fincher, 3, and Lillian, 5 months, not pictured, on Aug. 27, 2018. The couple met while working on McCain’s 2008 presidential campaign. (Photo: Tom Williams/CQ Roll Call/Getty Images)

Pham Minh Chuc, an 81-year-old retiree, writes a book of condolences for Senator John McCain in Hanoi, Vietnam, Monday, Aug. 27, 2018. People in Vietnam are paying their respects to U.S. Sen. John McCain who was held as a prisoner of war in Vietnam and later was instrumental in bringing the wartime foes together. McCain died on Saturday. (Photo: Tran Van Minh/AP)

Maria Vicllalpando kisses a balloon and leaves a rosary in front of a memorial for late Sen. John McCain, outside his office in Phoenix, Ariz., Aug. 26, 2018. (Photo: Nicole Neri/Reuters)

Mourners pay respects to late Sen. John McCain at his office in Phoenix, Ariz., Aug. 26, 2018. (Photo: Conor Ralph/Reuters)

The Arizona Diamondbacks paid tribute to the late US Senator John McCain during a game against the Seattle Mariners at Chase Field on August 25, 2018 in Phoenix, Ariz. (Photo: Norm Hall/Getty Images)

Will Simms, Newseum graphics specialist, posts the Arizona Republic’s front page at the Newseum’s front page display on Sunday, Aug. 26, 2018, the morning after Sen. John McCain’s passing. (Photo: Bill Clark/CQ Roll Call/Getty Images)

USAF veteran David Carrasco pays tribute to Sen. John McCain, outside a mortuary in Phoenix, Ariz., Aug. 26, 2018. (Photo: Robyn Beck/AFP/Getty Images)

Los Angeles Dodgers coaching staff stand for a moment of silence for deceased Senator John McCain before a baseball game against the San Diego Padres, Saturday, Aug. 25, 2018, in Los Angeles. (Photo: Michael Owen Baker/AP)

Flags flying a half-staff in honor of Sen. John McCain, R-Ariz., frame the U.S. Capital at daybreak in Washington, Sunday, Aug. 26, 2018. (Photo: J. David Ake/AP)

A military veteran pays his respects, as John McCain has discontinued medical treatment for an aggressive form of brain cancer, at the entrance to the McCain ranch complex in Cornville, Ariz., Saturday, Aug. 25, 2018. (Photo: Ross D. Franklin/AP)

Mourners react as a hearse carrying the body of late Sen. John McCain arrives in a procession in Phoenix, Ariz., Aug. 25, 2018. (Photo: Conor Ralph/Reuters)

With a police escort, a procession follows the hearse carrying the late Arizona Sen. John McCain along Interstate 17 on the way to Phoenix, Saturday, Aug. 25, 2018, in Anthem, Ariz. (Photo: Ross D. Franklin/AP)