Desert Sun: Senate Majority Leader Harry Reid offered a narrowly focused energy bill for debate last week that left solar power advocates on the sidelines. The issue, however, remains a hot topic in California’s competitive Senate race. Sen. Barbara Boxer and her Republican challenger, Carly Fiorina, say they support expansion of California’s solar and wind energy industry and the jobs it would create, but they offer sharply contrasting views on how to get there. Boxer, a Rancho Mirage …