FILE - In this Feb. 28, 2013 file photo, Sen. Jeff Flake, R-Ariz. gestures as he leaves the Senate chamber on Capitol Hill in Washington. Authorities are investigating two suspicious letters that were... more 
FILE - In this Feb. 28, 2013 file photo, Sen. Jeff Flake, R-Ariz. gestures as he leaves the Senate chamber on Capitol Hill in Washington. Authorities are investigating two suspicious letters that were sent to the Phoenix office of Flake. Emergency crews in hazardous materials gear were seen outside the building. (AP Photo/J. Scott Applewhite, File) less 
1 / 28
Associated Press | Photo By J. Scott Applewhite, File
Wed, Apr 17, 2013 2:14 PM EDT