Legal news Roundup - April 4, 2011Compiled By Elan Ma CanadaWomen protest justice system's sexism with 'slut walk', Hamilton SpectatorFeds threaten trade with EU over oilsands, Reuters Ex-base commander's bid for reinstatement denied, Toronto SunUnited StatesNew law against adults who allow underage drinking, SunHerald[span style="text-decoration: underline;"][strong][/strong][/span]N.Y. pizza chain files for bankruptcy, ReutersInternationalSyrian human rights defender released, ReutersJapan to face civil damages claims over nuclear crisis, Reuters