* Headlines for May 26, 2010 * After Over 14 Years in Peruvian Prison, Jailed U.S. Activist Lori Berenson Ordered Freed on Parole * Ahead of Pivotal Attempt to Plug Leak, BP Acknowledges "Fundamental Mistake" in Hours Before Rig Explosion * BP Played Central Role in Botched Containment of 1989 Exxon Valdez Disaster * Disasters in Gulf Coast, West Virginia Spur Calls for Criminal Prosecutions of Corporate Execs