CNN Situation Room With Wolf Blitzer December 31, 2015 23:18:00
As republican candidates gear up for the first real votes in a few weeks, some of trump's rivals are dealing with shakeups in their campaigns. three top officials in ben carson's camp just called it quits. cnn political reporter scary murray is covering the gop race. this is a rough time and rough day for the carson campaign. >> you're right, brianna. shakeups happen in campaigns but not right before iowa. it turns out ben carson isn't the only candidate whose going to kick off 2016 on rocky footing. as 2015 comes to a close, several campaigns are ending it in disarray. >> everything is on the...