King Harald faces new operationNorway's King Harald will undergo heart surgery right after next week's Easter holiday, to correct a defective valve. Crown Prince Haakon will take over his father's duties as regent while the monarch is on sick leave.The 68-year-old King Harald is expected to be off work for at least two months, but palace officials hoped he would be able to resume his duties as quickly as possible. The royal family is in the midst of a busy program of public appearances tied to Norway's centennial celebrations.King Harald underwent surgery for bladder cancer in December 2003 and was...