KOLO This Week With George Stephanopoulos February 28, 2016
States with overwhelming support from africanamerican voters. And with donald trump ahead right now in nearly all the super tuesday states, marco rubio and ted cruz have unleashed a barrage of new attacks. Trying to slow the trump steam roller. Jon karl is here to start us off. Good morning, jon. Reporter good morning, george. As he appears on the verge of winning it all, donald trump is facing his biggest test yet. A sustained assault of personal insults, attacks, and mockery that looks like it could have been designed by trump himself. On the campaign trail saturday, donald trump predicted a...