CEDAR RAPIDS — Iowa congressman-elect Rod Blum is pretty sure his $2 million loan to a hockey player who signed a $30.5 million contract to play professionally will be repaid in full. He’s even more sure that he won’t be making any similar loans. “It’s just a headache, a hassle,” Blum said Friday about his personal loan to the National Hockey League Columbus Blue Bombers’ Jack Johnson Jr., who has filed for bankruptcy claiming his parents borrowed millions of dollars in high-interest loans against his future earnings. The Johnson loan was a one-time investment, Blum said, but it has become time-consuming and “I don’t have time for that kind of stuff anymore” That’s because Blum, a Dubuque Republican was elected earlier this month to represent Iowa’s U.S.