i got to interview marshall in 1989 at the end of his career, and of his life. it was a rich time and he was willing to talk. it s been a great gift for me. the book is continuing to sell and was reissued. on a personal basis, let me say thank you and it s a thrill to be among america s greatest biographers. greg: i am glad i could help you with that book. dana: really impressive. congratulations. i ve got one. too bad just isn t here. mary sedgwick, she has been legally blind since 2003 and she recently got the chance to see her guide dog for the first time thanks to a pair of high tech glasses. she shared the video of her very emotional moment. watch this. oh!