I didn't expect to find much visible trace of the American war in Vietnam. The Vietnamese are too hard-bitten to dwell on it, and they've sanded away all but the outcroppings of history - the museums, the memorials.
Fact-checking can wreak havoc on Chinese political mythology.
By 1979, Chinese people were poorer, on average, than North Koreans. I mean, your average per-capita income in China that year was one third of sub-Saharan Africa's.
'419 scams,' named for a clause from the Nigerian penal code, are such a part of the white noise of the digital age that we no longer notice them.
A generation ago, American war planners made the mistake of believing that short-term Communist sympathies would unite China and Vietnam. We were wrong, and it tragically misshaped our policy in Vietnam.
The only real mystery in the stories of political plagiarism is its durability in an age of Turnitin and other scanning software that can protect an author from his own mistakes, intentional or otherwise.