Mississippi and Alaska Senate races remain too close to call

Two U.S. Senate races in Mississippi and Alaska remain uncalled nearly a week after Election Day, with Democratic candidates holding razor-thin leads over Republican incumbents. The outcomes will determine the final margin of Democratic control in the Senate. Democrats have secured 54 Senate seats to Republicans' 44, following a midterm rebuke of President Donald Trump. In Mississippi, Democrat Scott Colom leads incumbent Cindy Hyde-Smith 49.1% to 48.8% with 97% of votes counted, while in Alaska, Democrat Mary Peltola leads incumbent Dan Sullivan 48.2% to 47.9% with 76.8% counted. Alaska's ranked-choice voting system requires a candidate to exceed 50%, with additional counting rounds not starting until Nov. 18. Mississippi and Alaska races may not be called for a while, potentially widening the Democratic Senate majority in the final two years of Trump's presidency.