Here's how to watch election night as the polls close, hour-by-hour

Summary
As polls close on election night, here's a look at what to expect each hour and which midterm races are key to deciding control of Congress.
Description from NPR.
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Here's how to watch election night as the polls close, hour-by-hour
As polls close on election night, here's a look at what to expect each hour and which midterm races are key to deciding control of Congress.