#150 What's the Kennection?

1) What kind of pasta is the last word of the first verse to the song "Yankee Doodle"?
2) What part of a football helmet must be white, according to NFL rules?
3) What name for two bright dwarf-galaxy "Clouds" in the night sky comes from the Portuguese explorer who observed them in 1520?
4) In which Kurt Vonnegut novel do Earth's last humans live on the title Ecuadorian islands?
5) Augustus was the first Roman leader to hold what title?
What's the "Kennection"?
Ken Jennings was on Jeopardy! 75 times in a row, so long that your grandma got sick of him. He is the author of nine books, most recently the Junior Genius Guides for children. He lives in Seattle.