Republican Presidential Debate: Live Coverage

Is this the first GOP debate that Fiorina hasn’t dominated?

By the way, those same demographic headwinds I just mentioned are a big part of the reason that few economists think Jeb Bush’s 4 percent growth pledge is realistic. Retiring boomers mean fewer workers, which will restrain economic growth.

Huckabee is such a believer in the potential for curing diseases — which he says is the way to save on health-care spending — that he has been a paid endorser for treatments some experts find dubious.