How Soon Will We Know Who Won the Senate?

Hey, Mom, we made it! The grueling 2022 election season, which featured wildly unprecedented levels of midterm-year spending, will reach its conclusion Tuesday. But as in 2020, it might take a few days to answer the election’s preeminent outstanding question: Which party will take control of the deadlocked U.S. Senate?

Even if all goes to plan, it may be weeks before we know the winner in Georgia’s Senate contest. That’s because Georgia is alone among this year’s battleground states in employing a runoff system for statewide races: If no candidate...