Among early voters at Nevada's Republican caucuses, nearly 6 in 10 said they are angry at the way the government is working.

Voters line up for a Republican caucus at Durango High School in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Entrance polls show another third said they are dissatisfied with the government.

They also said the top issues facing the country are the economy, government spending, immigration and terrorism.

All of those issues are among the most fiery for Donald Trump, and it has him basking in his Nevada victory.

At his victory speech, he vowed to keep open the military detention center in Guantanomo Bay, Cuba.

Trump told supporters, "We're going to load it up with a lot of bad dudes out there."