Sen. Claire McCaskill (D-MO) in her Senate office Wednesday, April 25, 2007, in Washington, D.C. (Chuck Kennedy/MCT)
Sen. Claire McCaskill (D-MO) in her Senate office Wednesday, April 25, 2007, in Washington, D.C. (Chuck Kennedy/MCT) Chuck Kennedy / MCT
Sen. Claire McCaskill (D-MO) in her Senate office Wednesday, April 25, 2007, in Washington, D.C. (Chuck Kennedy/MCT) Chuck Kennedy / MCT

High tech tool has members of Congress all a-Twitter

March 08, 2009 2:01 PM