April 17, 2008 | Yahoo NewsThis, like 1992, is a U.S. presidential election year. Then, consumers' pessimism virtually gave the Democrats the presidency. Markets had assumed the same would be true in 2008 -- until recently. The IOWA ELECTRONIC MARKETS' presidential futures have seen a sharp shift in the past few days. They now put the Republicans' chances, for a long time less than 40 percent, at 46.4 percent, their highest since February last year.