As temperatures crept toward 90 degrees, tens of thousands of protesters shuffled across the Brooklyn Bridge on Saturday afternoon to denounce the Trump administration’s “zero-tolerance” immigration policy.

By Meg Dalton

On the 35th anniversary of the fall of Saigon, Ray Suarez talks to retired Marine Corps Lt. Col. James Zumwalt about his new book on the Vietnam War, as seen through the eyes of North Vietnamese and Viet Cong veterans.

Twenty years ago, the Berlin Wall came down, signaling the demise of the Cold War. As world leaders gathered to mark the historic event at Brandenburg Gate on Monday, a historian, pollster and German correspondent discussed what the events meant.