WASHINGTON (AP) -- Opponents of a massive energy bill on Friday blocked the Senate from taking a final vote and sending the measure to President Bush. On a 57-40 vote, supporters failed by three votes to cut off debate on the legislation, which they said would increase and diversify energy production and provide farmers an economic boost by expanding use of corn-based ethanol. Advertisement They needed 60 votes under the Senate's rules to close debate on the bill and move on to a final vote. The House passed the legislation earlier this week. ``This will not be the last vote...