 WAYNE, Pa.--BUSINESS WIRE--Radian Group Inc. NYSE: RDN today announced the Opens Doors Opens Hearts fundraiser benefiting the Mortgage Bankers Associations MBA Opens Doors Foundation. The Opens Doors Opens Hearts fundraiser brings awareness to the foundations mission of helping families with critically ill or injured children afford their rent or mortgage payments while their children are in treatment. Participants are encouraged to make a contribution and decorate their doors to spre 