Hosea Williams, left, who led a march in Selma, Ala., leaves the scene as state troopers break ... From an outside deck, you ...

Decades after law officers attacked voting rights marchers, we revisit the event that helped spark passage of the 1965 Voting Rights Act and hear what civil rights activists are doing in Selma today.

Hosea Williams, left, who led a march in Selma, Ala., leaves the scene as state ... From an outside deck, you can see the Edmund Pettus Bridge in the distance. "We get to do this work every ...