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It's not the first time, and I'm not talking about the Palmer raids in WWI or the Japanese Internment in WWII, both of which were shameful episodes in which the president used this obscure wartime power to detain, imprison and deport people based solely on their ancestry or national origin under the suspicion that they might commit sabotage or espionage.

In a December episode of her new podcast, Public Health is Dead, Daniella Barreto took listeners behind the scenes at the Orpheum, a Vancouver theatre built in 1918 to be a luxurious, comfortable venue — cunningly designed to provide excellent ventilation in order to prevent spread of disease, like the age-old scourge of tuberculosis, but more specifically the H1N1 influenza, which swept the world in that last year of WWI, killing 675,000 Americans.

The period lasted from roughly 1873 to 1914, with the outbreak of WWI.

This was the second Red Scare, the first having occurred in the years after WWI, but the focus on expelling people from the government, including the military, on thin suspicions of disloyalty was a specialty of McCarthy and Cohn.

It assumed its first form thanks to a German soldier named Albin Grau, who had served in the Serbian campaign of WWI, a yearlong invasion in which so many German soldiers were slaughtered that reinforcements arrived at a rate of 200,000 a month.