SURFSIDE, Fla. (AP) - Authorities say they are making progress in the painstaking search for victims of the deadly building collapse in Florida last month.Miami-Dade County Mayor Daniella Levine Cava said Sunday that 90 deaths have now been confirmed in the collapse of the 12-story Champlain Towers South in Surfside, up from 86 a day before.Among them are 71 bodies that have been identified, and their families have been notified, she said.