(CNSNews.com) – Accusing Scottish and British officials and BP executives of “stonewalling,” the Democratic senator who was to have chaired a hearing this week on the Lockerbie controversy announced Tuesday that it would be postponed. “We are at a place where no witnesses of consequence has the courage to step forward and clear the air,” Sen. Robert Menendez of New Jersey told reporters. “They would prefer to sweep this under the rug.” The scheduled Senate Foreign Relations Committee hearing was supposed to look into suspicions that the early release of the Libyan convicted in the Lockerbie bombing case happened because...