Democrats Vow to Filibuster Alaska Oil Drilling Wed Apr 10, 5:03 PM ET By Tom Doggett WASHINGTON (Reuters) - Democratic Sen. Joe Lieberman (news - web sites) of Connecticut promised on Wednesday to filibuster any move to amend a pending energy bill to allow drilling in pristine Arctic National Wildlife Refuge. Republican lawmakers are citing Iraq's decision on Monday to cut off oil exports for 30 days to protest the Israeli-Palestinian conflict as another reason why the United States must be able to tap ANWR's reserves and become less dependent on foreign crude. Lieberman criticized Republicans for using the Middle...