Efforts to prevent the economy from tumbling over a "fiscal cliff" stalled on Sunday as Democrats and Republicans remained at loggerheads over a deal that would prevent taxes for all Americans from rising on New Year's Day. One hour before they had hoped to present a plan, Democratic and Republican Senate leaders said they were still unable to reach a compromise that would stop the automatic tax hikes and spending cuts that could push the U.S. economy back into recession. "There are still serious differences between the two sides," said Senate Democratic leader Harry Reid. Progress still appeared possible after the ... (full story)