Glenn Greenwald writes, The 25-year-old Army Private, this generation's Daniel Ellsberg, pleads guilty today to some charges and explains his actions In December, 2011, I wrote an Op-Ed in the Guardian arguing that if Bradley Manning did what he is accused of doing, then he is a consummate hero, and deserves a medal and our collective gratitude, not decades in prison. At his court-martial proceeding this afternoon in Fort Meade, Manning, as the Guaridan's Ed Pilkington reports, pleaded guilty to having been the source of the most significant leaks to WikiLeaks. He also pleaded not guilty to 12 of the 22 counts,…