Shades of Travis Bickle.

Except he won't personally kill Trump, rather his incessant moronic ranting might influence a similarly unhinged person to try and do so.

Funny isn't it how when Ted Nugent rants about Obama and Clinton he's reduced to a caricature, but when De Niro says this vile crap he is applauded for it.

I invoke my right under the 5th amendment of the United States constitution and decline to answer the question.