Sifford died Tuesday at 92. During his career, he won more than $1 million and was the first black golfer inducted into the World Golf Hall of Fame. He spoke with Terry Gross in 1992.
In his latest book, neuroscientist David Linden explains the science of touch. He tells Fresh Air how pain protects, why fingertips are so sensitive and why you can't read Braille with your genitals.
As the film's depiction of the Iraq War has come under scrutiny, Cooper, who portrays Navy SEAL Chris Kyle, says the discussion is moving away from "the fact that 22 vets commit suicide each day."