n One of the “coolest” places to visit year-round in New York City must be the Ed Sullivan Theater, home of “Late Show With David Letterman.” By the host’s directive, the temperature in the studio is kept somewhere around 58 degrees, presumably to keep the audience awake and involved. At 65 degrees, the nearby Central Park Zoo’s penguin house seems downright toasty by comparison.

The 1939 Frank Capra film “Mr. Smith Goes to Washington” stars James Stewart in the title role as an idealistic freshman senator. We figure it was no coincidence that Senator Smith’s first name in the film is the last name of a U.S. president. What is it?

A) Washington

B) Jefferson

C) Jackson

D) Lincoln

Tuesday’s answer: A coulee is a deep ravine that has been formed by running water.