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.

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.