The Latest: GOP presidential candidates meet for 5th debate

Lindsey Graham, right, makes a point as Rick Santorum looks on during the CNN Republican presidential debate at the Venetian Hotel & Casino on Tuesday, Dec. 15, 2015, in Las Vegas. (AP Photo/John Locher)LAS VEGAS (AP) — The 2016 Republican presidential candidates are debating for the last time in 2015, this time in Las Vegas, as they race for advantage seven weeks before the first votes are cast in Iowa.

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