Senior Research Fellow, ADL Center on Extremism. Historian, long-time expert on right-wing extremism. Long-lost scion of Sidney Greenstreet. My own views only.

Ohio
Hello, if you are viewing this profile for the first time. I mostly tweet about issues related to extremism, terrorism, hate, & civil rights. I may occasionally attempt snark or humor; it helps me stay grounded while dealing w/dark subjects. I try to be a decent person. Welcome.
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"There are 2 types of people to whom these messages will quickly look familiar: White supremacists and those who study white supremacists." -Oren Segal, VP for counterextremism at ADL. "Administration Social Media Posts Echo White Supremacist Messaging" nytimes.com/2026/01/27/us/po…
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RT @ADL: Myron Gaines is a podcaster known for spreading vile antisemitism and misogyny to his more than 1.5 million subscribers. In the vi…
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RT @ADL: The group of influencers featured in this video at a club in Miami includes Nick Fuentes, Andrew Tate and Myron Gaines. Each of th…
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Some thinking from the 1780s, oddly relevant again. From my 1995 dissertation.
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Until you can prevent a Jack Teixeira from leaking classified intel documents on Discord, this seems like a misplaced priority. wapo.st/4pO0OrJ "Pentagon plans widespread random polygraphs, NDAs to stanch leaks"
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As a historian, I suggest people start keeping diaries of their impressions/reactions during these dark times, for the future historical record. Do written entries or type & print them out (don't leave them only as data files). Also include instructions for donation to archive.
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Interesting detail in this case of an inmate who stabbed a C.O. in the eye. In 2022, at the CO Supermax, he reached out to an Aryan Brotherhood member by telling him ISIS had white members. pennlive.com/news/2025/09/pa… "[Inmate] is ‘dedicated believer in terrorist ideology’"
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This incident from Mississippi from 2024 is another incident of anti-LDS arson. The perpetrator admitted he hated the LDS, claiming the arsons brought him "joy." sunherald.com/news/local/cri… "Coast man convicted of arson for *twice* setting fire to South MS church"
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The only previous attack I can remember that approaches the seriousness of the horrific attack this weekend in Michigan was the 1988 bombing of an LDS stake house--but it was empty at the time, though the bombers killed an officer in a later standoff. en.wikipedia.org/wiki/Singer…
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Assata Shakur aka JoAnne Chesimard, a far left member of the terrorist Black Liberation Army who was involved in the murder of a NJ state trooper, escapes justice by dying. nytimes.com/2025/09/26/obitu… "Assata Shakur Dies at 78; Convicted Revolutionary Found Refuge in Cuba"
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I always hoped the U.S. would find a way to bring her back to the U.S. to serve out her life sentence.
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Mark Pitcavage retweeted
Nightmare after nightmare.
BREAKING: CDC vaccine panel has voted to no longer recommend combined shot for measles, mumps, rubella and varicella for children who are aged under age 4 years old
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