Thirty Love: Conversations About Tennis

Pulitzer Prize-winning journalist Glenn Greenwald (accompanied by his 24 dogs) joins Thirty Love host Carl Bialik to preview the documentary he's producing about Martina Navratilova, the social justice pioneer and dominant tennis champ who was his childhood idol. Glenn on Twitter: https://twitter.com/ggreenwald Variety on the film: http://variety.com/2018/film/news/martina-navratilova-documentary-reese-witherspoon-1202811524/