her name is marsha coleman- adebayo. the book is called "no fear: a whistleblower's triumph over corruption and retaliation at the epa." thank you for your work and your witness. >> thank you for having me. tavis: up next, bob knowling. stay with us. bob knowling crew up on welfare in indiana. -- grew up on welfare in indiana. that did not prevent him from getting an education and becoming a leading telecommunicate -- tele- communications ceo. his new book is called "you can get there from here: my journey from struggle to success." he has been called on by the left and the right, bill clinton in michael bloomberg have called on him for a variety of projects to have the first and maybe last person on the program to be knocked from the same hometown as i am, indiana, but the same high school i went to. what are the chances you would get two black men out of the corn field in indiana on pbs? only in america. it is an honor to have you on this program. i am sure the folks in indiana are proud to have hoosiers on national te