The Home Affordable Refinance Program hit record levels in the third quarter of 2012, with 286,044 Fannie Mae and Freddie Mac borrowers taking advantage of the program designed for underwater borrowers. That was up 17.8 percent from the second quarter and raised total participation in the program to 1.73 million since it began back in 2009. The biggest gains this year have been in the refinances of mortgages with loan-to-value ratios exceeding 105 percent [Includes one data chart] ...