It's the Groaner of the Week!!!! (Presidents' Day Edition)

It ain't easy to find Presidents' Day groaners but I found a couple. I'm not saying that they're good . . . but they more or less meet the criteria. You have been warned. * Teacher: "John, do you know Lincoln's Gettysburg Address?" Student: "No, Miss Frump. I thought he lived in Washington!" * Q: What do you call George Washington's false teeth? A: Presidentures! * Q: Why did George