What's the Kennection? #273

What Italian whey cheese is most often used alongside mozzarella in baked lasagna?

At 555 feet and 5 inches, what became the tallest structure on Earth when President Chester Arthur dedicated it in 1885?

On what 1990s TV show did Tom Skerritt play Wisconsin sheriff Jimmy Brock, after Christopher Reeve turned the part down?

The only non-rectangular license plate in North America belongs to Canada's Northwest Territories, and is shaped like what animal?

The landmark silent film The Birth of a Nation is criticized today for its heroic portrayal of what "Invisible Empire" group?

What's the "Kennection"?