Santorum Challenge Is Romney’s Toughest One Yet: Ramesh Ponnuru
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Feb. 14 (Bloomberg) -- The latest not-Romney is thestrongest one yet. Mitt Romney has beaten back challenges fromRick Perry, Herman Cain and Newt Gingrich in succession.
But in Rick Santorum he faces a rival for the Republicanpresidential nomination who lacks those candidates’ glaringflaws and has some notable advantages over him.