U.S. Centers for Disease Control and Prevention (CDC) Director Tom Frieden (C) testifies at a House Energy and Commerce Subcommittee on Oversight and Investigations hearing called the "Review of CDC Anthrax Lab Incident" on Capitol Hill in Washington July 16, 2014. PHOTO BY REUTERS/Kevin Lamarque
By Patricia Zengerle and Julie Steenhuysen
08/08/2014