Foreign Affairs

... Putin's egomaniacal desire to be the reincarnation of Stalin, with a taste of Ivan the Terrible, and he'll murder as many of his countrymen as necessary to achieve that sick goal. Just like Trump, he is congenitally incapable of admitting a mistake, so the only thing that will stop either of them will be to resort to the ultimate sanction.
Putin's potential assassins are legion, and he knows it.
Trump is too dirt stupid to realize that his supporters are vastly outnumbered by those who will cheer his demise, and dance in the streets for days.