The US is still a largely internalised, self-reliant economy for which trade with the outside world is relatively unimportant. Unfortunately, the article seems

The US is still a largely internalised, self-reliant economy for which trade with the outside world is relatively unimportant. Unfortunately, the article seems to omit the extraordinary evidence to support this extraordinary claim, seeing as there's likely more than enough evidence to the contrary sitting on the author's desk, inside it, under it, scattered about his office, and on his very person if he would check the country-of-origin tags.