Cliff Richey -- the former No. 1 U.S. man, two-time Davis Cup champ, and equivalent of ATP No. 1 before there was such a thing -- joins Thirty Love host Carl Bialik to talk about his career, how he struggled with depression during and after playing, and how he's hoping to help raise awareness about depression, how to treat it, and how to reduce the stigma surrounding it. Produced and edited by Jorge Estrada, with music by Lee Rosevere. Richey's two co-authored books on depression: https://www.amazon.com/s/ref=dp_byline_sr_book_1?ie=UTF8&text=Cliff+Richey&search-alias=books&field-author=Cliff+Richey&sort=relevancerank Joel Drucker's profile of Richey: http://www.espn.com/sports/tennis/columns/story?columnist=drucker_joel&id=5162663 More on depression and its harms: https://www.vox.com/2014/8/12/5993075/depression-suicide-13-facts