Four Letter Word for Jack London’s Canine Star?

By Garrett 

CNN this week took out a full-page crossword puzzle ad on the back cover of Roll Call–completed entries are worth a “Situation Room” t-shirt.

Here’s the puzzle:


Here’s the puzzle in downloadable form. Unfortunately, only originals are accepted for the contest, but you can still stump yourself with clues like 16-Down: “Situation Room’s well-suited inVESTor.”

> UPDATE: Here’s a way to get an original copy if you MUST have that t-shirt: The rules explain how to send away for an original copy of the puzzle.