At the moment Rick Santorum appears to be overtaking Newt Gingrich as the principal challenger to Mitt Romney. Santorum has won more contests than Gingrich (who has won only one), has more delegates, and leads him in the polls. In at least one poll, he also leads Romney. It isn’t yet a Romney–Santorum contest, but it could be headed that way...hope so. Gingrich’s verbal and intellectual talents should make him a resource for any future Republican president. But it would be a grave mistake for the party to make someone with such poor judgment and persistent unpopularity its presidential nominee. It is not clear whether Gingrich remains in the race because he still believes he could become president next year or because he wants to avenge his wounded pride: an ambiguity that suggests the problem with him as a leader. When he led Santorum in the polls, he urged the Pennsylvanian to leave the race. On his own arguments the proper course for him now is to endorse Santorum and exit.
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