People with lots of unpaid medical bills could be getting a break on their credit scores. Fair Isaac Corp. says it is changing its FICO calculations to lessen the impact of medical debt that is already in collection. Median scores could rise by as much as 25 percent. We look into why they treat medical debt differently. Plus, the London-based system for setting the price of silver is getting scrapped next week for a new electronic-based method. How will this affect the price-setting mechanism for gold, the Gold Fix?