Health, mortgage deductions eyed Advisory panel won't urge national retail sales taxBy William L. Watts, MarketWatch Last Update: 3:54 PM ET Oct. 11, 2005 WASHINGTON (MarketWatch) - A presidential tax-reform panel on Tuesday indicated it was ready to urge changes in the tax treatment of healthcare benefits and mortgage interest deductions when it issues its final report in the next few weeks. Details are yet to be worked out, but members broadly agreed at the panel's penultimate public meeting to explore the possibility of putting a limit on the amount of healthcare benefits that employers would be able to provide...