Michael Savage, already the author of 25 nonfiction books, penned a debut novel “Abuse of Power,” which was released in mid-September. It reached as high as No. 4 on the New York Times best-seller list for hardcover fiction. And the inevitable question: Will a film script follow? The concept of primary character Jack Hatfield — a former war correspondent “smeared as a bigot and extremist by a radical leftist media-watchdog group” — could either intrigue or ultimately terrify Hollywood.