NIXON, Nev. – Many older people living on the expansive Pyramid Lake Paiute Reservation in northern Nevada relied on the tribe's senior services van to get to the grocery store or the doctor before the coronavirus pandemic ended that option.Now, tribal officials worry how elders and others who don't have cars or can't travel on their own will get to the post office to return their ballots before Election Day.“The distance has been a barrier for our people to vote,” tribal council member Janet Davis said outside the small, wood-shingle post office in the town of Nixon, not far from the turquoise lake that gives the Pyramid Lake Paiute Tribe its name. “We have elders that might not be able to move around much, those that might be afraid of.