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Sen. Rand Paul has been talking for hours on the floor of the Senate today in an effort to delay the nomination of John Brennan for CIA chief.

His main opposition to Brennan centers around the Obama administration's targeted killing program. As Krishnadev reported yesterday,Attorney General Eric Holder sent a letter to Paul in which he said the president could "in an 'entirely hypothetical' situation authorize the military to use lethal force within U.S. territory."
Here's the link.