Qualified immunity shields Wisconsin prison officials from a lawsuit accusing them of violating the constitutional rights of a transgender inmate whose request for sex-reassignment surgery was denied, a divided federal appeals court held.Splitting 2-1, the 7th U.S. Circuit Court of Appeals this week overturned a ruling that had cleared the way for Nicole Rose Campbell to pursue her claim that officials were deliberately indifferent to her serious medical needs in violation of the Eighth Amendment.Qualified immunity …