Article Photos: Brennan defends drone strikes, even on Americans



CIA Director nominee John Brennan, flanked by security, arrives on Capitol Hill in Washington, Thursday, Feb. 7, 2013, to testify at his confirmation hearing before the Senate Intelligence Committee. (AP Photo/J. Scott Applewhite)

CIA Director nominee John Brennan, flanked by security, arrives on Capitol Hill in Washington, Thursday, Feb. 7, 2013, to testify at his confirmation hearing before the Senate Intelligence Committee. (AP Photo/J. Scott Applewhite)