martin luther king iii took the fight for voting right there is this weekend but the former president was there as well pushing his lies and encouraging supporters to spread them. more now from cnn cnndonie o'sullivan. >> voting is that opportunity we have.cnn donie o'sullivan. >> voting is that opportunity we have. >> reporter: this martin luther king junior day in arizona a battle l for the future of american democracy. >> we wanted to come on this day because there is a senator, senator sinema who is blocking democracy instead of being on the side of advancing democracy fwl . >> reporter: the king family calling on arizona democratic senator kyrsten sinema to stand up for voters rights. >> she said she wants voting