Radio and TV gave presidents direct access to the American public. Now social media make controlling the message easier than ever. We hear what that means for the White House Press Corps and its role of telling American voters what they need to know about the policies and the actions of America's chief executive.
Later on the program, wildlife appears to be thriving near Chernobyl, despite massive contamination from history's worst nuclear accident.
Photo: White House press briefing, April 28, 2016.