Las Vegas – Seeking to breathe new life into a sagging economy, President Obama will attempt an executive branch rescue of homeowners trying to refinance underwater mortgages, with a new initiative that lets people with little or no equity get a better interest rate at a reduced cost. The initiative, the first in a series of announcements expected this week by the president, applies to homeowners with federally guaranteed mortgages who are current on their payments. The revamped Home Affordable Refinance Program, which aims to avert foreclosures, is expected "to encourage new, lower-cost loans" to more homeowners who are paying...