How will huge job losses impact the ability of Americans to meet their mortgage payments? How weak is the housing market right now? What does that mean in terms of finding bargains? Why should people consider buying a home when job security is shaky these days? Should the stimulus package address the housing crisis? How should it be addressed? What else ahould be included in the stimulus plan? We ask Dr. Lawrence Yun, chief economist for the National Association of Realtors. Dr. Yun was named one of the nation’s top three economists by USA TODAY.