VIDEO : Top Primaries To Watch Tonight

Voters in a number of states will decide who they're nominating for the big election in November.
Maine, Nevada, North Dakota, South Carolina, and Virginia all host Republican and Democratic primaries.
According to BuzzFeed news, The Democratic Gubernatorial primary in Nevada is one to watch.
Moderate Gov. Brian Sandoval ends his run as Governor this year.
Democrat Steve Sisolak is a Harry Reid-backed Democrat.
Sisolak is running an explicitly moderate campaign.
Chris Giunchigliani is a more liberal candidate backed by teachers' unions.
Progressives fear a moderate Democrat could lose the state to Republicans.