“Nice little country you’ve got there. It would be a shame if my best friend Vladimir burned it down.” That’s the essence of the threat that Donald J. Trump, the world’s most incompetent gangster, delivered to Ukrainian President Volodymyr Zelensky over the phone last July.
Incompetent, among other reasons, because he keeps getting caught. Seemingly persuaded of his impunity, Trump turned U.S. fore…