Leading Senate Democrats and Republicans have been moving cautiously to advance legislation to expand the Home Affordable Refinance Program, although industry observers say the odds are long the measure will see meaningful Congressional action before the legislative clock runs out. Senate Banking Committee Chairman Tim Johnson, D-SD, and Sen. Richard Shelby, R-AL, the committees ranking member, have been working on an agreement to ensure that the proposed amendments to the legislation in a markup would be strictly narrowed to making changes to HARP. However, Shelby is pushing to permit any provision on housing finance to be considered...