pointed out there, the capitol police were only at the practice because congressman steve scalise, who is a member of leadership, has a detail. now, most of the 535 members of the u.s. congress do not have a security detail. today's incent is again raising those questions about congressional safety and whether or not particularly in this highly charged political environment members should have more protection. joining me now is retired navy captain and nasa astronaut mark kelly, husband of gabrielle giffords who was shot in tucson in 2011. mark, good to see you. i'm sorry to be bringing you on the show for this particular incident, but you lived this first hand. you saw this. i guess -- mark, i apologize. i have to go to breaking news. news conference. we'll pick this up right after we go. let's go. >> good afternoon.