Lindsey Graham Says Reince Priebus Should Denounce Donald Trump on Immigration

It's a “defining moment” for the party, the senator says.

U.S. Senator Lindsey Graham (R-SC) fields questions from Bruce Rastetter at the Iowa Ag Summit on March 7, 2015 in Des Moines, Iowa.

Photo by Scott Olson/Getty Images

Republican presidential candidate Lindsey Graham on Sunday called on Republican National Committee Chairman Reince Priebus to publicly disavow primary rival Donald Trump's comments about Mexican immigrants. 

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