US Congress faces more hard work on Wall Street overhaul

US Democrats said Sunday they were closing in on a deal on the most sweeping financial overhaul in decades but Republicans held out ahead of a showdown vote on Monday.The key Republican negotiator on the financial overhaul bill, Senator Richard Shelby, said he was not optimistic there would be an agreement before the vote."Will we get a bill tomorrow?" he asked on NBC's "Meet the Press." "I doubt it."The showdown comes just days after President Barack Obama went to Wall Street and warned of future financial meltdowns with major regulatory reforms.