What's the Kennection? #391

What kind of meat sauce, often served on pasta, is named for the largest city in northeastern Italy?

Rodin's The Thinker is resting the back of his right hand on what other part of his body?

What 1973 movie about a prison escape in French Guiana is named for the butterfly tattoo on Steve McQueen's chest?

Pete Buttigieg's surname comes from what Mediterranean island language, in which it means "poultry farmer"?

What's the largest state of Mexico, with a namesake desert bordering New Mexico and Texas?

What's the "Kennection"?