The SWAT team that gunned down a former Marine in his Tucson, Ariz., home was cleared today of any wrongdoing in the incident. Jose Guerena, 26, was killed in a hail of bullets from the SWAT team, which broke down the door to his home on May 5 while trying to serve a search warrant as part of a home invasion probe. Guerena did not fire a single shot in the incident, but Pima County Chief Criminal Deputy Attorney David Berkman said in the report issued today that the five SWAT team members were justified in using deadly force because...