mathewson has represented the u.s. in nine times.m tennis is theptember, playing for team usa, she won a gold medal in doubles and a bronze in singles at the pan american games in peru. is it just as fierce? are you guys just as rough on each other and jt as brutal? >> definitely. i think moreo in a way, when you have a disability or you come back from certain hardships and then play a sport, that's a type of really resilienterson. >> brangham: that type of resilience is shown in other adaptive pro sports, like wheelchair basketball, wheelchair racing and skiing, all growing in popularity. >> respect has arrived. you are seeing the very very best skill level i would equate to the able bodied side. >> brangham: jason harnett is the u.s. tennis associion's head coach for the paralympic team. he's known mathewson she first picked up a raquet. the rules for wheelchair tennis are the same as for able-bodied tennis, one exception: you get two-bounces if players need the additional time to get to the ball. here at the u.s. op

he's known mathewson since she first picked up a raquet. nis rules for wheelchair iee the same as for able-b tennis, with one exception: you get two-bounces if players need the additional time to get to the ball. here at the u.s. open, the world's top eight men and top eight women were competing, as were the best four quadriplegic players-- those who have at least three extremities affected by a permanent disability they compete in a separe competition. >> there's no side to side. the chair, if i have to move to my left or my right, i actually have to turn the chair and push forward. ere is no cross step.>>ut. brangham: jo wallen directs the wheelchair tournament at the u.s. on, and she says, players ave to hit the same tough shots-- but theyo have to quickly steer their chair, often making figure eights so they can track the ballbe ready for the return shot. >> it's in the maneuverihe chair that messes upble bodied players when they get in. >> brangham:ome big names in le-bodied tennis like novak djokovic and frances tiafoe have tried play

in his new carter glass biography, mathewson does a tremendous job of recounting the live and times in the accomplishments, this outstanding and colorful statement. in the end, he came to believe that carter glasses trip", ring true. i'm now hoping to introduce our featured author, beth you thank. before he became a celebrated author, matthew worked at the investment company institute. the national association industry. he not only worked there from 1971 to 2004, he was the president of the institution from letting anyone to 2004. is the director of the often mutual funds, and a director of retirement income industry association. he's authored several articles on mutual fund industry and his history of mutual funds, the rise of mutual funds and insiders view published by oxford unity unit university press in 2008 was such a success, went on to a second edition. and was updated to the 2008 financial crisis. he is an honor graduate of brown university and harvard law school, and like mick jagger, he also attended the london school of economics. please join me in welcoming matthew sake. [