What's the Kennection? #399

What comedian used none of his famous "seven dirty words" when he hosted the very first episode of 'Saturday Night Live'?

In 1923, John Edmiston tried to trademark what word in the name of his taffy, even though it didn’t even contain the liquid in question?

What famous American helped free her younger brother Moses, and was then herself nicknamed "Moses" by abolitionist William Lloyd Garrison?

Which chemical element makes up almost 90 percent of bronze?

When writing 'West Side Story,' what composer borrowed the melody for "Gee, Officer Krupke" from a song in his opera 'Candide'?

What's the "Kennection"?