boys from a strange life that they were living with the powells. so it goes, tamryn. >> so it goes, keith. thank you very much. you can watch keith's full report on "dateline" tonight at 10:00 eastern on nbc. 31 states now require you to show a picture i.d. to cast your ballot, but for many people getting a government i.d. is harder than you think. many say it is voter disenfranchisement in states like south carolina. they're calling it modern day jim crowism. we have a new report on one small south carolina town. mara, this one woman is taking on voter i.d. laws. she wants to make sure every vote counts. >> reporter: yes. we spent time with her, dr. brenda williams in south carolina who has been registering voters for 30 years and is twoshging around the clock to make sure the people have the proper i.d. to vote. now, she quickly learned in many