Davis Krugh, of Charleston, S.C., cleans the stage before the Fox Business Network Republican presidential debate at the North Charleston Coliseum, Thursday, Jan. 14, 2016, in North Charleston, S.C. (AP Photo/Rainier Ehrhardt)

Fractured field for big GOP Iowa debate

A smaller cast of Republican presidential candidates takes the debate stage Thursday night, with Ted Cruz under new scrutiny for a big loan …