socks. >> he is one of the most powerful men in the world who reached out to touch my son. an amazing thing. they had a lot in common. president bush started his career as a wildcat or entrepreneur. john is an entrepreneur. they both love socks. but they both had something else. president bush signed the americans with disabilities act. which changed the world for so many. it made possible the education john got. and many of the opportunities. without that act, there would be no john's crazy socks. that was pretty special. you advocate all the time for people with different abilities, too, right? >> i do. >> how many times have you testified before congress? >> i testified five times -- six times! >> you have been down there