A posters input on the article:I wonder if they've reviewed the literature on sedition.
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Pamela Parsons Heath · Top Commenter
https://www.law.cornell.edu/uscode/text/18/part-I/chapter-115 I'm not sure about treason, but sedition, seditious conspiracy, and 18 U.S. Code § 2388 - Activities affecting armed forces during war (GWoT, remember? We're still fighting it.) are definitely applicable.
Cotton should immediately be censured, tried under the applicable charges and if found guilty, impeached and serve the maximum time allowed by law.