Excerpt: Louise LaMuth retired from BofA in 1970 after working at the bank in San Francisco for more than 20 years. She receives a monthly pension check for $47.... [L]ast month, LaMuth placed classified ads in the San Francisco Bay Guardian and SF Weekly, soliciting BofA retirees who think their pension is too low.... LaMuth hasn't given up her fight, but it's an uphill battle. Many companies are struggling with their bottom lines, although BofA is doing better than many.