#3 What's the Kennection?

1) Named in 1905 because it was a "new" substitute for cocaine, what was the first man-made local anesthetic to catch on?
2) Which U.S. national park did voters name the "Eighth Wonder of the World" in a 2006 USA Today campaign?
3) What hurricane "turned on the red light" on the Yucatan Peninsula when it made landfall there in October 1995?
4) What John Legend song, a piano ballad dedicated to his then-fiancee, Chrissy Teigen, became his first #1 hit single in 2013?
5) According to Emily Post, who traditionally gives the first toast at a wedding, even before the best man?
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.