MS NOW

Analysis: Obama counters Trump criticism on NATO

Donald Trump has questioned why the 28-nation alliance even still exists, but the president calls it "the cornerstone of our collective defense."

President Barack Obama meets with NATO Secretary General Jens Stoltenberg in the Oval Office of the White House in Washington, April 4, 2016. (Photo by Jacquelyn Martin/AP)
President Barack Obama meets with NATO Secretary General Jens Stoltenberg in the Oval Office of the White House in Washington, April 4, 2016. AP

Kristin Donnelly

Ron Allen