Bring margarine, wine, water, parsley and tabasco to boil in bottom of steamer. Arrange clams on rack and place in steamer. Cover. Steam until clams open, about 8 to 10 minutes. Discard any that do not open. Divide clams into 3 or 4 serving bowls. Ladle broth over them.
Are ya crazy? Margarine? How about equal parts of butter and olive oil?