World War III trended on Twitter Tuesday as the world waited to see how Russia would respond to Turkey downing one of its warplanes on the Syrian border.
Matthew Grimson and F. Brinley Bruton, NBC News
Tue, 11/24/2015 - 9:46am
World War III trended on Twitter Tuesday as the world waited to see how Russia would respond to Turkey downing one of its warplanes on the Syrian border.