Romney: 'They’re not going to be fit to be our nominee'

COLUMBIA, S.C. — Mitt Romney struck a non-conciliatory note in his South Carolina concession speech, mentioning Newt Gingrich only once by name but blasting his attacks on Romney’s private-sector record.

“We cannot defeat the president with a candidate who has joined that very assault on free enterprise,” he said. “When my opponents attack success and free enterprise… they’re attacking you.”

He added, “If Republican leaders want to join this president in demonizing success and disparaging conservative values then they’re not going to be fit to be our nominee.”

Read more on The Hill's Ballot Box blog.