Krugman can't believe Republicans who worried about deficits under Obama -- when, according to Keynesianism, we needed deficits to help the struggling economy -- have no problem with them today, at a time when Keynesianism would consider them unnecessary.
Yes, there are plenty of Republican hypocrites, whom we do not spare in this episode. But Krugman and his friends might want to be more careful when accusing other people of hypocrisy....