coming to save us but us. reporter: the bills in congress would make it more difficult for states to tighten voter i.d., but michigan republican lisa mclain said voters tell her tighter restrictionses, even some that could make it harder to vote, are necessary. one of the top things they talk to me about is, what are you doing? what are you doing to ensure that our elections are fair? reporter: they stop you on the street about that. absolutely, sir, absolutely. reporter: reverend williams says he s not folding in his local battle. the fight must continue, and i think many people on the ground understand and are very clear that they will not stop until justice comes. reporter: debate tomorrow, possibly a vote tomorrow. democrats are trying to change hearts and minds in american communities before they come up short here in washington. norah. o donnell: scott macfarlane, thank you. well, still ahead on tonight s cbs evening news, scenes of widespread destruction. an
eruption and tsnuami on the pacific island nation of tonga. every home was destroyed by 50-foot waves. before- and after photo shows the covered in thick ash. next, we rolled up our sleeves as have many of you after the red cross declared the first-ever national blood criesis. but i still have bad days. flare-ups, (cough cough) which can permanently damage my lungs. my lungs need protection against flare-ups. so it s time to get real. because in the real world. our lungs deserve the real protection of breztri. breztri gives you better breathing. symptom improvement, and flare-up protection. it s the first and only copd medicine proven to reduce flare-ups by 52%. breztri won t replace a rescue inhaler for sudden breathing problems. it is not for asthma.