[theold]

There's a blank line on the card where Ali was supposed to sign in 1967 but refused to do so — a polarizing act of defiance as the Vietnam War raged on. It triggered a chain of events that disrupted his storied boxing career but immortalized him outside the ring as a champion for peace and social justice.

https://abcnews.go.com/US/wireStory/muha...%20justice.