Robert De Niro criticized Trump's threat of film tariffs at Cannes and called him a 'philistine.' Here's a timeline of their 14-year feud.

Source: Business Insider

Donald Trump and Robert De Niro. AP Photo/Alex Brandon/Scott A Garfitt/Invision/APRobert De Niro criticized Donald Trump's tariffs at the Cannes Film Festival on Tuesday. The actor called Trump a "philistine president" while accepting a lifetime achievment Palme d'Or award.