outpouring this morning of messages from leaders here in the u.s. and all over the world on the passing of senator john mccain. mccain was known as a war hero and foreign policy -- >> he flew combat assignments during the vietnam war. he was shot down. he spent more than five hell years as a hanoi prisoner in a war camp. here is what his peers had to say about his military service. >> his dad was a four-star admiral and so was his grandfather. so when john talks about the military, he does so with a reverence. when he visits the troops, he feels compelled not to let them down. there is a part of john mccain that, to this day, is driven by not letting people down. >> he flew a lot of dangerous missions during the vietnam war. probably the ultimate was when