It fell to one of the seven left out of the prime debate, Sen. Lindsey Graham of South Carolina, to beard the lion at length. "I think we've crossed the Rubicon, where his behavior becomes about us, not just him," he told the Washington Post. "People gave Mr. Trump a pass on the stage. I understand that to a point, but we've crossed a line here that can't be ignored. There can be no more tiptoeing around this."