The control for the Senate chamber has been reduced to five races in Alaska, Colorado, Iowa, North Carolina and Kansas. The Washington Post reports Republicans need to win two seats and they win the Senate chamber. In four of these races, Republicans will need to upset Democrat incumbents. In Kansas, incumbent Republican Sen. Pat Roberts will need to push hard for the next few weeks. If nothing changes as time slows down from here to Nov. 4, Republicans will take the camber. More…