The parsimonious explanation, of course, is that Trump’s mine-is-bigger tweet is nothing more than another expression of his own juvenile tendency toward one-upsmanship.
Trump cannot prevent China's rise. Washington's days as world power number one are numbered.
We face the very real prospect of a nuclear war triggered by an addled Twitter feed and North Korea’s equally preposterous propaganda arm.
Bluster man loves the ratings, the big fat screaming headlines. And there's his raving populist base which demands the red-nostrilled threats and which he has to cater to.