FILE - In this Saturday, Jan. 7, 2012 file photo, Sen. Rand Paul, R-Ky., speaks on behalf of his father, Republican presidential candidate Rep. Ron Paul of Texas, after the Republican presidential debate in Manchester, N.H. Something's going on in America this election year: a renaissance of an ideal as old as the nation itself - that live-and-let-live, get-out-of-my-business, individualism vs. paternalism dogma that is the hallmark of libertarianism. But what looms are far larger questions about whether an America fed up with government bans and government bailouts - with government, period - is seeing a return to its libertarian roots. (AP Photo/Evan Vucci)
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