Control of the House and Senate is in play in this year's midterm elections, with many races too close to call. Stakes seem higher because, according to FiveThirtyEight, 60 percent of American voters will have an election denier on the ballot this fall. Campaign ads, in many cases, shape these races and may determine the outcomes: It's estimated that $9 billion will go into the production and distribution of the 2022 midterm ads.
