Des Moines Register: Iowans could see their power bills jump as much as 25 percent if Congress enacts a House bill aimed at reducing greenhouse gas emissions, industry officials say. MidAmerican Energy Co. and other Iowa utilities say the climate legislation is unfairly skewed toward consumers on the east and west coasts, where power companies are less dependent on coal to produce electricity. The bill is a top priority of President Barack Obama. But Democratic leaders in Congress have been …