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Quiz: What's different about Tuesday's GOP debate in Las Vegas?

Test your knowledge of the major players and issues at tonight's Republican presidential primary debate.
Republican presidential candidate Donald Trump speaks during a campaign rally at the Westgate Las Vegas Resort & Casino on Dec. 14, 2015 in Las Vegas, Nev. (Photo by Justin Sullivan/Getty)
Republican presidential candidate Donald Trump speaks during a campaign rally at the Westgate Las Vegas Resort & Casino on Dec. 14, 2015 in Las Vegas, Nev.

Tonight's CNN’s GOP debate is the fifth of this primary season. Test your knowledge of the major players and issues before the festivities kick off tonight in Las Vegas. 

This candidate never rose above 1% or 2% in national polls. 

The other candidate who was dropped from the main stage in the last debate didn’t have the same luck.  

This candidate quickly took to Twitter upon receiving the good news

Neither candidate is near the top of the Iowa polls in this cycle.

By contrast, 11% of Democrats support his proposal

Just 3% of respondents thought religious and moral values were the most important. 

More than half of the nation’s governors have also called for at least a temporary ban on admitting refugees to the U.S.