HAMILTON (CP) - Tens of thousands of Canadians infected with AIDS or hepatitis C got an apology from the Canadian Red Cross on Monday after the charity pleaded guilty to distributing tainted blood in exchange for dropped criminal charges. "The Canadian Red Cross Society is deeply sorry for the injury and death caused to those who were infected . . . and for the suffering caused to families and loved ones of those who were harmed," Dr. Pierre Duplessis, the organization's secretary general, told the Ontario Superior Court in a video-taped apology as tearful victims looked on. "We accept responsibility...