Posobiec claims he was referring to the 25th amendment for Biden and Comey was writing this to promote a book about assassinating Presidents.
I have no idea what the truth is about your example. I do think Comey is so arrogant that he was threatening assasination and thought he was so clever that he could get away with it
That’s your opinion, and you’re certainly entitled to it. But that’s all that it is until such time as further evidence of any such intentions may emerge.