U.S. Rep. Beto O'Rourke lets f-bombs fly on the campaign trail

The El Paso Democrat, who is challenging incumbent Republican Sen. Ted Cruz for a U.S. Senate seat, has become known for his impassioned language on the campaign trail.

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He drops them to reporters. He drops them at rallies and fundraisers. The U.S. Senate candidate's cussing has become a staple of his stump speeches as he travels across Texas.