Renewable energy: Iowa is to receive $5.7 million in grants for three years to fast-track training and job placement in renewable energy and energy efficiency.
Flood damage has provoked a disaster declaration for four more counties in Iowa.
Lincoln is in a runoff against Arkansas Lt. Gov. Bill Halter, who is being supported by labor unions and liberal groups.
California and Massachusetts have the edge, but at least half of US states have entered the race.