There are two more Republican presidential debates left on the schedule — and that is more than enough for party insiders, who fear that the insult-rich clashes are becoming deeply damaging to the GOP’s image.

In their minds, Thursday’s debate in Detroit was a nadir. They single out, in particular, the moment when front-runner Donald Trump sought to rebut implied suggestions from rival Marco Rubio that his manhood was inadequate.

The debate also stooped to name-calling, as Trump constantly referred to Rubio on Thursday night as “Little Marco” and labeled his other main rival, Texas Sen. Ted Cruz, “Lying Ted.”

more at Source: Debate fatigue sets in for GOP | TheHill