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Washington (CNN) - A very public squabble between two top Republican politicians who might be leading contenders for the 2016 GOP presidential nomination has grabbed clicks online and airtime on cable news.
The war of words between New Jersey Gov. Chris Christie and Sen. Rand Paul of Kentucky over national security, civil liberties and federal spending is also a proxy for the bigger battle for the future of the Republican Party.
Here are five things we're learning from their spat.FULL STORY