What's the Kennection? #346

What company's transportation routes include the Sunset Limited, the Coast Starlight, and the Acela Express?

What sports event was being aired in the eight most-watched U.S. TV broadcasts of all time?

What candy tycoon was given a new backstory about a mean dentist father when Johnny Depp played him in a 2005 film?

 What classic Shirley Jackson short story ends with the ominous words "then they were upon her"?

What is the occupation of the Beatles' title character "Lovely Rita"?

What's the "Kennection"?