Macron lobbies Trump to keep and improve Iran nuclear deal

In a state visit hosting the leader of America's oldest ally, the personal bond between President Trump and French President Emmanuel Macron was evident, and so were their differences over the Iran nuclear deal. At a news conference, Macron said the U.S. should remain part of the deal, but hold talks to improve it, while Trump said he wants an entirely new agreement. Yamiche Alcindor reports.