'Mine is bigger': Trump taunts Kim Jong-un about size... of nuclear button

IN THE WORLD PAPERS - Wednesday, January 3: North Korea has extended an olive branch to South Korea, but the papers wonder if all is as it seems. Also, we look at reactions to Donald Trump's twitter taunt of Kim Jong-un. A social media star's filming of a dead body in Japan sparks outrage over YouTube's policies. France looks to install landlines in prisons to combat illicit cell phone trafficking. And the famous opera Carmen gets a feminist revamp in its latest Italian version!