What's the Kennection? #93

What was "Polheim," which Roald Amundsen left behind next to a Norwegian flag when he left the South Pole in 1911?

Jimmy Carter was the first president to wear what in the White House, which he defended to Barbara Walters as "my normal attire"?

What is playing on the car radio during the makeout session in Meat Loaf's song "Paradise by the Dashboard Light"?

The Pope's signet ring is named for what occupation, to honor his traditional predecessor St. Peter?

What is Oscar the Grouch's home on TV's Sesame Street?

What's the "Kennection"?