Polling officials check identification as early voters line up to cast their ballots at the Fairfield County Board of Elections Office in Lancaster, Ohio, U.S., on Saturday, Oct. 29, 2016. Democrats are battling in almost a dozen close races to pick up enough seats to take over the chamber that Republicans now govern with a four-seat majority, while Republicans argue they should be kept in control there as a check on Clinton should the Democrat be elected president. Photographer: Ty Wright/Bloomberg via Getty Images
