Liberal filmmaker Michael Moore, following the Connecticut primary defeat of Sen. Joe Lieberman, issued a direct threat to his fellow Democrats: Denounce the war in Iraq or you’ll get what Joe got. In a letter to his Web site visitors, which served as fertilizer for blogs everywhere, Moore raged that Ned Lamont’s anti-war victory was the beginning of a revolution among liberals. Writes Moore on his Web site: "Let the resounding defeat of Senator Joe Lieberman send a cold shiver down the spine of every Democrat who supported the invasion of Iraq and who continues to support, in any way,...