Several proposals currently gathering momentum in Congress to eliminate or revise the capital gains tax could incentivize more homeowners to list their properties, experts say, potentially boosting the sluggish housing sector. This is according to a report from Realtor.com , based on conversations with lawmakers at the National Association of Realtors (NAR) policy forum in Washington, D.C., last week. "Roughly a third of all homes that could be on the market could be subjected to that tax and