My thoughts and prayers go out to the friends and family of Congresswoman Gabrielle Giffords, 40, shot and critically wounded by a gunman today at a public political event in Tucson. Rep. Giffords is the wife of my friend, NASA astronaut and U.S. Navy Captain Mark Kelly.

My thoughts and prayers go out to the friends and family of Congresswoman Gabrielle Giffords, 40, shot and critically wounded by a gunman today at a public political event in Tucson. Rep. Giffords is the wife of my friend, NASA astronaut and U.S. Navy Captain Mark Kelly.