Small tribes seal borders, push testing to keep out virus

Picuris Pueblo, N.M. • On a dusty plaza in a Native American village that dates back nearly a millennium, a steady trickle of vehicles inched through a pop-up coronavirus testing site.From the bed of a pickup truck and backseats of cars, wide-eyed children stared from behind hand-sewn masks and then sobbed as testing crews in hospital gowns swabbed their noses. The workers packed the samples into a plastic travel cooler for a return trip past the tribe's guarded roadblock to a state lab.The