People whose lives depend on dialysis are especially vulnerable during a hurricane. The machines that replace their kidneys need reliable electricity and water to operate. That’s part of why 89 dialysis patients from St. Thomas fled to Puerto Rico after Hurricane Irma. And then they had to evacuate again – this time to Miami – because of Hurricane Maria. From member station WLRN in Miami, Sammy Mack has that story. While many Floridians are moving on after Hurricane Irma ripped through the state