NEW YORK (AP) — Former counterterrorism adviser Richard Clarke's best-selling book may soon be a movie. Sony Pictures Entertainment has purchased the film rights to Against All Enemies, Sony vice chairwoman Amy Pascal told The New York Times for its Saturday editions. In the best-selling book, Clarke, a counterterrorism adviser to the past three presidents, charges that the Bush administration prioritized Iraq above threats from al-Qaeda before and after the Sept. 11, 2001 attacks. The movie version is to be produced by John Calley, the entertainment group's former chairman, who worked on the 1976 Watergate drama All the President's Men...