"We should not put a new conservative in charge of conservatism or the country, so that he does not become puffed up with conceit and fall into condemnation."

Real estate magnate Donald Trump, who earlier said his native New York had become a "cesspool of corruption and incompetence," promises "there won't be stupid deals anymore" once he's elected president. Credit:Drew Angerer

Erick Erickson, editor of The Resurgent and an Atlanta-based talk-radio host

"Trump might be the greatest charlatan of them all."

L. Brent Bozell III, chairman of For America and the president of the Media Research Centre. He has endorsed Ted Cruz for president.