Two of the Trump children were cheating on an exam.. The first question was ""Old MacDonald had a ______."" Eric tried to see Tiffany's paper, couldn't, so whispered ""Tiffany, what's the answer to number 1?"" She rolled her eyes and said ""You are the stupid one of the family. It's Old MacDonald had a farm, everyone knows that."" ""Oh right!"" said Eric. He hesitates a minute then whispers ""Hey Tiffany, how do you spell farm?"" She rolls her eyes again, ""Wow, you really are dumb. They tell yo…