USTA's Martin Blackman: covering Roland Garros

USTA General Manager, Player Development Martin Blackman, discusses the growing crop of Americans showing their grit on the French Open's terre battue. Among the players highlighted are Danielle Collins and Frances Tiafoe, along with Southerners Coco Gauff, Emma Navarro, Alycia Parks, Tommy Paul and Christopher Eubanks. Another hot topic is the Summer Olympics, which will be played at Roland Garros.