Is Obama taking a page out of Hugo's book or vice versa. The stories are astoundingly similar. May 1 -- Democratic presidential candidate Barack Obama's proposal for a windfall profits tax on oil companies could cost $15 billion a year at last year's profit levels, a campaign adviser said. The plan would target profit from the biggest oil companies by taxing each barrel of oil costing more than $80, according to a fact sheet on the proposal. The tax would help pay for a $1,000 tax cut for working families, an expansion of the earned- income tax credit and assistance...