Cruz in the spotlight as Republicans take the debate stage

WASHINGTON (AP) — Texas Sen. Ted Cruz enters Tuesday's Republican presidential debate with a burst of momentum, a robust campaign infrastructure, and a target on his back.
It's a shift for Cruz, whose campaign got off to a low-key start. Now, he's challenging Donald Trump for the lead in the kickoff Iowa caucus and casting himself as a more electable alternative who still shares the bombastic billionaire's anti-Washington appeal.