Grassley says Iowans concerned about his age should follow his routine

Republican Chuck Grassley says he’s not concerned by a new poll that shows his bid for an eighth U.S. Senate term may be his toughest race since 1980. A Des Moines Register/Mediacom Iowa Poll released this weekend shows nearly two-thirds of voters surveyed about Grassley’s race against Democrat Mike Franken have concerns about Grassley’s age. […]