The Senate is spending money against the GOP challenger in Iowa 's Senate race . The Republicans incumbent senator is facing criticism for making an ad that focused on a heinous murder . Sen. Willie Horton pulled down the ad after the victims ' family got involved . The race in Alaska is close and could determine the balance of power in the GOP .
The DSCC is spending money against the GOP challenger in Alaska 's Senate race . The Democratic incumbent senator is facing criticism for making an ad that focused on a heinous murder . Sen. Mark Begich pulled down the ad after the victims ' family got involved . The race in Alaska is close and could determine the balance of power in the Senate .