Tax reform legislation from Republicans in Congress could have an outsized impact on borrowers who take out jumbo mortgages, according to industry analysts. The tax reform in the House detailed last week would reduce the amount of debt eligible for the mortgage interest deduction and would limit deductions of state income taxes and property taxes. For new home purchases, the revised MID would only apply up to $500,000 in debt, down from a current cap of $1.0 million ...