The gist of that article was how the Russian brand of Communism and her growing empire was here to stay and that the United States needed to reconcile ourselves to that fact.
At the time, Galbraith was considered the economic guru of the left and even intellectually superior to Milton Friedman, the most prominent voice on the right in my field.
The Atlantic has always been left and now is very left. JKG was the darling of the left and really not a very good economist. Give me Hayek or Friedman any day