Gingrich Scales Back His Presidential Campaign

Newt Gingrich is dramatically curtailing his campaign schedule, laying off about a third of his staff and dismissing his campaign manager as he focuses on a last-ditch effort to win the Republican presidential nomination at the party's convention.

Gingrich's strategy hinges on preventing front-runner Mitt Romney from winning the 1,144 delegates he needs for the nomination, Gingrich spokesman RC Hammond said Tuesday night.

The former speaker of the House of Representatives plans to spend much less time in primary states and instead personally call delegates to try to persuade them to back him at the Republican National Convention in August.

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