IOWA CITY — Their University of Iowa persona is inextricably glued to basketball, but when Fran and Margaret McCaffery talked Tuesday night to a crowd of students, faculty and staff on campus, they made little mention of the game. Instead — in an armchair chat with UI Center for Advancement President and Chief Executive Officer Lynette Marshall — they talked about giving, parenting, loss and personal battles with cancer that have brought their values and priorities into perspective.