• All it takes is one good idea to strike it rich. Consider Allen Funt, who parlayed his World War II Army interviews using hidden microphones into the long-running TV series “Candid Camera.”

The call letters of nearly all U.S. radio stations east of the Mississippi start with the letter W. One of the few exceptions is the first commercial radio station in America, still on the air, in:

A) Atlanta, Ga.

B) Pittsburgh, Pa.

C) Schenectady, N.Y.

D) Terre Haute, Ind.

Tuesday’s answer: Rome, Italy’s Spanish Steps were built in 1723-25 to link the Spanish embassy with the Holy See.