Nike pulled a sneaker line with the "Betsy Ross" flag, outraging the right wing.
Journalist Howard Bryant's new book looks at how black athletes have historically ignored the mandate to "shut up and play."
The Super Bowl is in Minneapolis this year. But is the sporting spectacle actually any good for the city? And is the game any good for the country?
From Muhammad Ali to Mahmoud Abdul-Rauf, athletes have a long history of protesting inequality—and making their audience very uncomfortable.