I believe that New York attracts these people, from all over the country. Maybe it's the accent, but I spot this trait in a few other famous/powerful people, especially if they're associated with nyc -- Giuliani, Donald Rumsfeld, and (guess who) come to mind.
It's absolutely possible for people to just straight lie, under any circumstances, for any reason, straight to your face, with zero cognitive overhead, zero concept of what a lie even means/is. It's just a default mode.
They live among us. And usually they're immensely charismatic, larger-than-life.