With the economy looming as the 1,000-pound gorilla in voting booths this election, voters may be casting their ballots in the U.S. Senate race based not so much on the attraction of the candidate as the economic philosophy he or she embraces. Senate Majority Leader Harry Reid, the Democrat, believes government should step in and spend taxpayer money to keep the economy afloat, create jobs and reinvigorate commerce. Most mainstream economists credit this “Keynesian” approach with sparing the nation an even deeper recession during the past three years.