WASHINGTON (Reuters) – The Obama administration is crafting a mortgage-rescue program that would see Fannie Mae and Freddie Mac ease payments for hundreds of thousands of borrowers and offer a model for Wall Street to do the same, sources familiar with the plan said. Late last week, officials from the Treasury Department and Department of Housing and Urban Development worked with the companies' regulator to agree on standards for who could get relief and how they might coax other finance companies to follow their lead, said two industry sources familiar with the deliberations. Those discussions were still going on over...