"He does not advocate for high marginal rates on ordinary income such as is earned by millionaire doctors, lawyers, CEO's and the rest of the privileged class." You are wrong.

"Were he concerned about the ordinary Jane or Joe he would speak much less about Trump and much more about enlightened policies." You are wrong, he talks about policy in every column he writes.

If you haven't found insights, either you weren't looking for them, or don't recognize an insight in the field of macroeconomics. Krugman's op-ed columns are written for the general reader in plain language. If you want his more technical explanations, you might read his blog, "The Conscience of a Liberal". He uses a lot of math.

Forbes Magazine has a special hatred toward Krugman; Forbes is a magazine for greedhead Biz-Ad wannabes. There are blogs that specialize in trashing Krugman, like antikrugman.com

Obama was able to lower deficits in the face of a nearly stagnant economy in part by letting the Bush cuts sunset.