Faced with a major setback in their death penalty case against a confessed al-Qaida conspirator, prosecutors are considering whether to appeal a judge’s decision to bar witnesses who were improperly coached by a government lawyer. U.S. District Judge Leonie Brinkema delayed the trial of Zacarias Moussaoui until Monday to give prosecutors a chance to sort out their options. Brinkema on Tuesday excluded roughly half of the government’s key witnesses from taking the stand after determining their testimony may have been tainted. Full Story