Shaggy-dog story update: Thanks to Jill Latchaw of Martinez, Calif., who explained why the “Peter Pan” dog Nana is usually portrayed by a St. Bernard rather than the Newfoundland that appears in the original story. Newfoundlands are most often all-black dogs, which makes their facial expressions difficult to see.

According to the authoritative “Bartlett’s Familiar Quotations,” the popular question “Are we having fun yet?” originated in a:

Comic strip

B) Beatles song

C) Sitcom episode

D) Presidential campaign speech

Friday’s answer: William J. Burns was the director of the Bureau of Investigation from 1921 to 1924, when he was succeeded by J. Edgar Hoover. The agency was renamed Federal Bureau of Investigation in 1935.

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