Today on Flashpoints: Cindy Sheehan threatens to run the Speaker of the House out of office if Nancy Pelosi fails to endorse impeachment proceedings, we’ll speak with Sheehan, who is on a 13-day cross-country caravan to Washington DC; also, the parents of Rachel Corrie, who was murdered by Israeli occupation forces, start legal proceedings against the Caterpillar bulldozer corporation; a news summary of the latest Israeli violence in occupied Palestine; how Canadians are supporting US military resisters seeking political refuge; and the Knight Report.