Dealmaker? Trump's trade demands

The sixth round of talks has begun over the North American Free Trade Agreement, or NAFTA. The agreement was implemented in 1994 to get rid of barriers of trade and investment between the U.S., Canada and Mexico. But President Trump has called NAFTA "a disaster for our country" and has threatened to pull out of the deal. With talks scheduled to wrap up by the end of March, what are Trump's demands?