NBC News' Richard Engel breaks down the GOP candidates’ performances at Tuesday night's debate on the subjects of national security and counter-terrorism.Dec. 16, 2015
UP NEXT
Free Speech Seems to See Different Standards for Anti-Israel Criticism
13:16
Will Global Protests for Women's Rights Be Enough to Overturn Iran's Regime?
10:18
Is U.S. Democracy Under Threat?
16:50
Gas prices, not human rights, finally spur U.S. to look at Saudi ties
09:37
'The most serious threat the Iranian regime has faced since 1979'
10:16
Iranian journalist on protests against regime: 'This is a revolution'
