BY DAVID GERMAIN
AP MOVIE WRITER
LOS ANGELES (AP) – Just turned 50, Tom Cruise is eligible for membership in the American Association of Retired Persons. Just split from third wife Katie Holmes, Tom Cruise is the object of told-you-so cynics who simply knew that romance wouldn't last. Just finished with his stab at something really different as a heavy-metal rock god in "Rock of Ages," Tom Cruise is coming off one of the lowest-grossing movies in his career.