Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Fmr. national security adviser Stephen Hadley, and the latest on the crisis in Ukraine.
In South Sudan, there are reports of mass graves and attacks on civilians as violence spreads throughout the country.
U.S. Marines continue to stand by in the region to help evacuate Americans caught in the middle of the chaos.
CNN's Elise Labott reports on the latest fears tensions between South Sudan's president and supporters of the former vice president could turn into a civil war.