LEARNED HELPLESSNESS?http://www.nytimes.com/2011/05/30/opinion/30krugman.html[Paul Krugman] Unemployment is a terrible scourge across much of the Western world. Almost 14 million Americans are jobless, and millions more are stuck with part-time work or jobs that fail to use their skills. Some European countries have it even worse: 21 percent of Spanish workers are unemployed.Yet a strange thing