He said they made their view known during the first in-depth political exchange of view in 8 years between the U.S secretariat and North Korea officials in Pyongyang.
Professor Beard's first source is a familiar and obvious one: Roman writers, and especially Gaius Suetonius Tranquillus, who worked in the secretariats of both Hadrian and Trajan.
And I, for one, want to believe the words of the head of the smallpox secretariat, which is a very impressive-sounding job, while also sounding like the most depressing movie sequel of all time.