The Texas senator's campaign is beginning to see returns after months of methodically courting evangelical leaders.Ted Cruz increasingly looks like the man to beat in Iowa. He's rising in the polls, building on an already extensive field organization and locking down critical conservative endorsements.Among the biggest yet came Thursday, when Bob Vander Plaats, the head of the conservative group Family Leader, came out for Cruz, citing what he sees as electability in Iowa and nationally. "This is a guy that's been very consistent in principles, in communications, and his campaign has shown ability to slowly gain ground and build momentum,...