The AP will tabulate results for nearly 7,000 races, including national congressional contests, state legislative and gubernatorial races, as well as some local elections for mayor, city council and school board.

Nearly 40 million votes have already been cast for races that will determine not only who controls Congress, but also governors, mayors and city councils. For many years, PBS News has relied on the Associated Press to keep track of results, and we will again next Tuesday. Deema Zein takes a closer look at how the AP counts the vote.

The news outlets argued in an updated lawsuit that they should be granted access to the White House reporting pools.

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