In cities across the U.S. — from Seattle to Austin, Asheville, and Denver — medics say they are dealing with police altercations while trying to render aid — On Saturday, May 30, in Seattle, Washington, Alex* stood next to the police as civilians protested against the deaths of George Floyd, Breonna Taylor, and other Black people at the hands of law enforcement. It was late in the afternoon and the rain was starting to come. Tensions in the…