If Republicans won't go along with higher tax rates for America's wealthiest 2%, the Obama administration is ready to let the "fiscal cliff" automatically take effect at year-end, Treasury Secretary Timothy Geithner said. "There's very broad support out there for not just extending these tax cuts for 98% of Americans, but for an agreement that has rates going up with tax reforms that limit deductions alongside a set of substantial long-term savings on the spending side," he said.