WASHINGTON – House leaders are doing well financially during this economic slump. Their lucrative investments and, in many cases, well-compensated spouses supplement their House salaries. Speaker Nancy Pelosi, D-Calif., one of the wealthiest members of Congress, and her real estate-magnate husband Paul Pelosi spent between $1 million and $5 million to buy the home they'd been living in on San Francisco's Broadway. They also own a vineyard in St. Helena, Calif., worth between $5 million and $25 million and a town house in Norden, Calif., valued between $1 million and $5 million, according to annual financial disclosures released Monday. The...