By Raquel Zaldivar
DAVENPORT, Iowa – Parking spots were scarce at Adventure Community Church before a Ted Cruz rally in this Mississippi River town. The church was just as crowded. Heidi Cruz introduced conservative broadcast personality Glenn Beck, who introduced the Texas Republican. Taking the stage, Cruz urged his cheering audience to show up at their precincts on Monday night – and he asked each of them to bring nine neighbors, relatives or friends.