for herd immunity. adriana. diaz: lilia luciano, thank you. today, thousands of people gahered in washington, d.c., and dozens of other cities demanding legal protections for voting rights. it comes 58 years after the historic march on washington, a pivotal moment in american history. and as nikole killion explains, some say they re still fighting the same old battles. black lives matter! reporter: standing shoulder to shoulder, the nation s top civil rights leaders led thousands of supporters in a call to action for federal voting rights legislation. we are not going to let you filibuster away our voter protection. reporter: the group was joined by the brothering of the late congressman john lewis. they touted a bill named after him that was passed in the house this week scpurnlged the senate to act. it protects the rights. reporter: devon dickerson traveled all the way from georgia, one of more than a dozen states that has passed