Temporary work may not rank high in prestige, but economists keep a close eye on temps for signs that the economy is recovering. When companies expect to grow, they often hire temporary workers before adding to their full-time staff. This month federal labor officials were heartened by a jump in temporary employment on the national level. In Minnesota the temp market may also be starting a mild recovery. But some wonder whether more temporary jobs are such a good sign after all. Minnesota Public Radio's Jeff Horwich reports.