Nominations are now open for our Prime-Time Durability Award. To get things rolling, we nominate David McCallum for the 44-year (and counting) spread between his 1964 starring debut on “The Man From U.N.C.L.E.” and his current starring role on “NCIS.” If you can think of an actor with a longer spread between prime-time starring roles, please let us know.

The famous American who is credited with coining the phrase “equal pay for equal work” was best known as a:

A) Labor leader

B) U.S. president

C) Feminist

D) Novelist

Friday’s answer: According to the 2007 book “Lightning: Physics and Effects,” about 44,000 thunderstorms occur each day worldwide.