What's the Kennection? #100

In The Sixth Sense, Bruce Willis's character catches on to the twist ending when he sees his wife Anna drop what item on the floor?

What position does I Don't Know play in the classic Abbott and Costello sketch "Who's on First"?

What kind of sweet red wine can be called "tawny" if it's been aged to a golden-brown color?

Who was the first Jewish American ever to win a U.S. presidential primary?

In 1959, Hertz ran its first commercials offering to "put you" where?

What's the "Kennection"?