Military might from north korea. Lets talk. Live in the cnn newsroom. And good morning. Im carol costello. Thank you so much for joining me. The republican race for president , the candidates return to the trail today hitting utah and arizona with a new sense of urgency. For john kasich and ted cruz, time is running out to derail trumps momentum after his big week of wracking up delegates. Conservative leaders scrambling to dump trump and the campaign showing signs of concern as most states gear up to name the delegates, the trump camp is urging its loyalists to lobby for those positions in case of a contested convention. An email, republicans hold county conventions tomorrow. It asks do you want to serve as a delegate to the National Convention and help us it explains how to become a trump delegate. This morning, the stop trump efforts denounced. If it was not so ridiculous it would be laughable, whats going on inside the i would consider this we have people who are elitists, who are