There are public servants in politics, LE, and the military, who are devoted to defending our Constitutional rights from enemies foreign & domestic.
Then there are enemies, in this case domestic.
How his status as former head of Texas Rangers makes him credible here I don’t know. He demonstrates a level of ignorance as to the purpose of the 2A held by Leftists... that is, those whose ignorance of history leaves them doomed to repeat it.
