Ken Jennings — yep, you got it: affable Jeopardy! champ/trivia doyen/comedy-adjacent media personality, that Ken Jennings — is worried.
Worried, not panicked. Not even distressed, really. No, what his book Planet Funny: How Comedy Took Over our Culture amounts to, really, is an extended, engaging, deeply knowledgeable, 275-page-long (312, if you count the endnotes) (come on, you knew there'd be endnotes) fret.