Donald Trump attacked the news media as the ‘enemy of the people’ Saturday night, calling a story in The New York Times regarding national security ‘a virtual act of treason’ in a tweet. Jonathan Capehart in for Joy Reid and his panel discuss. Then: Joe Biden maintains a consistent lead in most 2020 polls, but Elizabeth Warren, Pete Buttigeig, and Bernie Sanders are slowly inching their ways closer to Biden’s lead, all receiving a slight boost since May in the latest Quinnipiac University Poll. Plus: Tomorrow, Monday June 17 in Washington, D.C., 10 presidential contenders will join Joy Reid and Rev. Dr. William J. Barber as they co-host the Poor People's Campaign Presidential Forum, an event that will ask how candidates plan to help the 140 million poor and low-income people in the U.S. Rev. Dr. William J. Barber joins Jonathan Capehart to discuss. And: The 2020 Democrats are gearing up for the first presidential debate in Miami, a city that scientists predict will be under water by the end of the century if climate change is not addressed. Jonathan Capehart in for Joy Reid and his panel discuss climate change as a key issue among 2020 Democratic candidates and voters. All this and more in this Sunday edition of AM JOY on MSNBC.Learn more about your ad choices. Visit megaphone.fm/adchoices