Donald Trump's Joke Donald Trump is speaking at a campaign event in South Carolina. He asks if the crowd wants to hear a joke? The southern crowd goes ""USA! USA! USA!"" What do you call 10 illegal immigrants on the moon? A problem. What do you call 100 illegals on the moon? A problem. What do you call 1000 illegals on the moon? Still a problem. What do you call all of the illegal immigrants on the moon? Problem solved.