Harry Reid says Trump would fail the US citizenship test — would you?

Last year, nearly 730,000 people became naturalized US citizens.
Nearly every one of them would've had to pass a civics test, answering questions about US history, government, and geography.
The test became a campaign topic on Monday when Senate Minority Leader Harry Reid challenged Republican candidate Donald Trump to take it. 
Reid — who was responding to Trump's plan to admit a kind of ideological test to immigrants — brought this up because he's certain Trump