♪ welcome back to "morning joe" at 7:40 in the morning in boston, massachusetts. the morning after the twin bombings at the boston marathon on patriots day. joining us now from capitol hill, republican congressman from texas, the chairman of the house homeland security committee, michael mccaul. thank you for being with us this morning. >> well, thanks for having me. >> is there anything you could share with us this morning based on what you've seen overnight or just waking up this morning? we just spoke to chuck todd who is in touch with the white house. they say they are frankly surprised and a little frustrated they don't yet have suspects or more information. what can you tell us? >> well, first, my heart goes out to the victims and families. such a tragic experience looking at the graphic videos out there. i think the only new reporting and briefings i've had is a saudi bystander, if you will, who was hospitalized became a