I can't relax and sink back in the couch and watch 'Jeopardy!' the way I used to.

We don't realize how hard it was to drive anywhere outside the major cities less than a century ago.

Arthur Jay Klinghoffer, a professor of political science at Rutgers University, has argued that geography seems less relevant than ever in a world where nonstate actors -- malleable entities like ethnicities, for example -- are as powerful and important as the ones with governments and borders. Where on a map can you point to al-Qaeda? Or Google, or Wal-Mart? Everywhere and nowhere.

I always bring my kids vacation souvenirs printed in Comic Sans, so they know I love them but not unconditionally.

There’s just something hypnotic about maps.

I have always loved maps.

I remember one of my last shows, the Final Jeopardy! clue was something like 'These two boys' names are top 10 boys' names in the U.S., they both end with the same letter, and they're both names of Jesus' apostles.' Now, obviously that's not a knowable fact.