R | 1h 59min | Crime, Drama, Mystery | 12 October 2007 (USA) Hollywood gets significant cinematic mileage, both documentaries and regular movies, out of storylines involving big corporations covering up devious dealings with cancer-causing chemicals. Similar to 1993’s “The Fugitive” and 2000’s “Erin Brockovich” before it, 2007’s legal suspense thriller “Michael Clayton” is an…