The deal behind Donald Trump and Ed Koch's big feud

12:49 PM ET Wed, 4 Nov 2020
Donald Trump and former New York mayor Ed Koch had an epic feud back in the '80s. Trump had big plans to "put New York" back on the map – by building a massive tower in his name. Catch the sneak peek and don't miss the series premiere of "Empires of New York" Sunday, November 29 at 8P ET on CNBC.