A new teaser video released this afternoon shows a slew of celebrities and activists rallying in support of military whistleblower Army Pfc. Bradley Manning, whose trial for leaking 700,000 secret documents to WikiLeaks began today. “I am Bradley Manning” is the tagline of the PSA created by the eponymous group and featuring supportive celebrities like filmmaker Oliver Stone; actors Russell Brand, Peter Sarsgaard, Maggie Gyllenhaal, and Wallace Shawn; musicians Tom Morello and Moby; and journalists Phil Donahue, Matt Taibbi, and Chris Hedges. Each speaker takes their turn declaring that they or we “are all Bradley Manning,” imploring viewers to put...