CNN The Lead With Jake Tapper April 16, 2013 02:17:00
Bearings being in these devices, obviously you get a real sense of just the horror these doctors are dealing with. i want to bring in ryan bourquer who ran in the marathon, saw the second explosion from his hotel room. ryan, thank you very much for being with us. first of all, how are you doing? >> i mean, it's hard to imagine what was out there, and basically when i came in, i was really happy that i finished the race. right after that, we were hanging out and basically talking. but then i heard what sounded like a cannon like you would hear at a stadium, and i thought that might have been at...