How To Enter. The Sweepstakes will begin at 9:00 a.m. P.S.T. on March 1, 2006 and end at 5:00 p.m. P.S.T. on December 1, 2006 (the "Sweepstakes Period). Enter by visiting the The Cow Is Loose official registration page on the www.topcow.com/thecowisloose website and completing all of the...