republican, presidential, hopeful, sen, john, mccain, r-ariz, his, wife, cindy, react, to, crowd, primary, election, watch, party, in, dallas, tuesday, march, ap, photo, gerald, herbert, with, celebration, balloons, falling, reacts, surpassed, requisite, gop, delegates, clinch, nomination, lm, otero, supporters, cheer, after, spoke, greet, former, arkansas, gov, mike, huckabee, right, drops, out, race, irving, texas, clinched, we, kept, faith, he, told, end-of-the-road, rally, left, s, janet, applauds, her, husband, matt, slocum, listen, as, speaks, during, walks, stage, dropping