Dave Davies

Copyright 2017 Fresh Air. To see more, visit Fresh Air.

TERRY GROSS, HOST:

Copyright 2017 Fresh Air. To see more, visit Fresh Air.

TERRY GROSS, HOST:

Decades before NFL player Colin Kaepernick took a knee during the national anthem to protest police treatment of African-Americans, boxer Muhammad Ali roiled white America with his 1967 resistance to the Vietnam War draft.

The boxer had converted to the Nation of Islam a few years earlier, and he explained his resistance to the war by saying, "I ain't got no quarrel with them Viet Cong."

After Marine Sgt. Thomas ("TJ") Brennan was hit by the blast from a rocket-propelled grenade in Afghanistan in 2010, he suffered a traumatic brain injury that left him unable to recall much of his immediate past — including, at times, the name of his own daughter.

"When I got blown up, it erased a lot of my memories," Brennan says.

On May 25, 1978, a package exploded at Northwestern University in Evanston, Ill., injuring a security guard. It was the first of a series of 16 bombings that would occur over the next 17 years, killing three people and injuring many others. The suspect in the case, a shadowy figure who frequently used the U.S. mail to send his homemade explosives, became known as the "Unabomber."

Pages