truz marco rubio had a stronger showing right on cruz's heels. >> he turned out according to evangelical and conservative leaders and it paid off. >> tonight is a victory for courageous conservatives across iowa and all across this a great nation. >> reporter: cruz parlayed a strong turnout to overtake a humbled donald trump. >> we finished second. i want to tell you something. i'm just honored. we'll go on to get the republican knowledge nation and hillary or bernie or whoever they throw out there r it was a employee for trump. attracted those disenchanted angry inway. caucus. most supported trump. cruz won the caucus growers who described themselves as conservative and evangelical. the other story last night, marco rubio. >> we have taken a first step but an important step. >> reporter: rubio is seened a a more alternative conservative. that may play a role in more moderate newhampsure. suspended his campaign. on the democratic side, hillary clinton and bernie sanders will likely bit iowa delegates. for your sanders it represents a huge comeback while for clinton it's yet another signa