Republicans take debate stage in race reshaped by attacks

Republican presidential candidates, from left, George Pataki, Mike Huckabee, Rick Santorum, and Lindsey Graham take the stage during the CNN Republican presidential debate at the Venetian Hotel & Casino on Tuesday, Dec. 15, 2015, in Las Vegas. (AP Photo/Mark J. Terrill)LAS VEGAS (AP) — Republican presidential candidates take the debate stage Tuesday night for the first time in a month, their race reshaped by national security threats but still dominated by outsider contenders. Now it’s Ted Cruz challenging front-runner Donald Trump.

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