Control of the U.S. Senate may come down to Nevada, where a slow ballot count entered its final act Saturday in the nail-biter contest between Democratic Sen. Catherine Cortez Masto and Republican challenger Adam Laxalt.
Saturday is the last day that mail ballots can arrive and be counted under the state's new voting law. Election officials were hustling to get through a backlog of tens of thousands of ballots to determine the race's winner.
