(Reuters) – Tom Cruise's attorney has threatened the parent company of the National Enquirer with a multimillion-dollar lawsuit over a new issue asserting it has details of the actor's recent split with wife Katie Holmes, according to The Hollywood Reporter. The Hollywood Reporter on its website posted a letter from Cruise's Los Angeles attorney, Bert Fields, in which he blasts American Media Inc, parent of the Enquirer, for what he calls "false and vicious lies" he says will cause "hundreds of millions of dollars" in damages to Cruise. …