Richard Dymond, Bradenton Herald, May 8, 2012 Manatee - Blake Medical Center, Doctors Hospital of Sarasota and eight other Florida hospitals have their first collective bargaining deal with their registered nurses since becoming part of Hospital Corporation of America. The contract was announced Monday by National Nurses United, the largest union and professional association of registered nurses in the United States with 170,000 members, according to the union website. ... Nurses