SAN DIEGO — She's 78 years old and in good health. But Re Johnson has no illusions of spending her days playing bingo, knitting or traveling. Instead, she's looking for a job and expects to work for the rest of her life. Johnson, a Spring Valley resident, said she's seeking a position in merchandising or customer service. While she has been able to cover the mortgage payments on the home where she has lived for more than 40 years, she wants to be able to buy a car, or perhaps take a trip. “I want to get to the point...