What's the Kennection? #184

Abraham Lincoln's famous declaration that "A house divided against itself cannot stand" is actually a quote from whom?

The patriotic hymn "My Country 'Tis of Thee" is also known by what much shorter name?

In "Fight the Power," Public Enemy calls what singer "straight-up racist," even though he "was a hero to most"?

"Hippophobia" is a psychological fear of what animal?

In the classic Brady Bunch episode "The Not-So-Ugly Duckling," Jan uses the name "George Glass" for whom?

What's the "Kennection"?