WASHINGTON ? The night began as a squeaker, but it led to a new House speaker. In a historic political evening, Democrats swept Republicans out of power in the House of Representatives for the first time since the 1994 Republican revolution that made Newt Gingrich the speaker. Control of the Senate was hanging in the balance with the George Allen-Jim Webb race in Virginia too close to call with more than 99 percent of the vote counted. Two years after a decisive election victory for President Bush and Republicans, Democrats picked up more than the 15 seats they needed to...