UPDATE: After Illinois loss, Santorum looks to the South

Tuesday, March 20, 2012 | 10:21 p.m. CDT

GETTYSBURG, Pa. — Dealt a resounding defeat in Illinois' presidential primary, Republican Rick Santorum brushed off the latest loss to rival Mitt Romney and told his supporters on Tuesday to "saddle up like Reagan did in the cowboy movies" and help him narrow a seemingly insurmountable deficit in delegates.

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