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Jeb Bush

Donald Trump digs in

Donald Trump digs in

Having trailed Ted Cruz by as much as 10 points in recent Iowa polling, Donald Trump decided to play No More Mr. Nice Guy with the Texas senator in the sixth GOP televised debate in South Carolina on the Fox Business Network.

Their early lovefest ended when the brash Texan assaulted Mr. Trump's "New York values," attempting to tap into the regional dislike of the Big Apple. "I can frame it another way," Mr. Cruz said. "Not a lot of conservatives come out of Manhattan. I'm just saying."

The Manhattan billionaire thereupon deftly reminded the audience of the city's rousing reply to the 9/11 terrorist attacks on the World Trade Center as an...