The retail industry is bracing for even harder times in 2009. “No industry is going to be completely insulated from the economic downturn, although those that do not rely heavily on discretionary spending — defense-related industries, education and financial services — are more likely to fare better, according to David Findlay, an economist at Colby College. ‘I think any of the industries in Maine that deal with discretionary spending are more likely to take a greater hit as a result of this,’ he said.”