By KEVIN ROBILLARD | 2/22/13 1:50 PM EST Sen. Rand Paul (R-Ky.) wants one thing before he’ll allow the confirmation of John Brennan as CIA Director to go forward; he wants assurances “someone eating at a cafe in Boston or New York” won’t have “a Hellfire missile [come] raining in on them,” he said Friday on Fox News. The libertarian scion sent a letter to Brennan’s office at the White House Wednesday asking if the administration has the power to order a lethal drone strike on an American citizen within U.S. borders. Until he gets an answer, Paul has pledged...