DEAR BOB: Thank you for your recent article about reverse-mortgage benefits for senior-citizen homeowners. But a short paragraph really got my attention. You said something about Fannie Mae offering reverse mortgages for home purchases. My wife and I have been talking about selling our big, old house, while the market is excellent in our town, and buying a nice two-bedroom house all on one level without any steps. We're not disabled, but climbing the steps to the bedrooms is getting to be a chore. Also, I'm worried one of us might slip and fall on the stairs. more...