Which ballots get counted on election night, and which don’t?

We take a quick look at three of the House races in Central California, where Republicans Jeff Denham, David Valadao, and Devin Nunes are fighting to keep their seats. Their Democratic challengers are all first-time candidates. The Central Valley has been a Republican stronghold, but the Democratic challengers are hoping the blue wave is going to change that. We also look at the ballot counting process, especially in tight races.