Some people say let???s just keep it at 3.4 for longer.Others, including the president, have proposed tying interest rates to market rates.So the president proposed that your rate would be essentially the 10-year federal borrowing rate, which is about 0.8 percent right now, plus another ??? actually, it???s about 1.8 percent, plus some more to cover the federal cost of borrowing.That would actuall