Trump's "plausible deniability"

Last week brought news of yet another reason why the world is a safer place without President Trump as US commander-in-chief. Behind the back of his loyal vice-president, Mike Pence, Trump endorsed the actions of Erik Prince in contravention of his own nation's official policy. Prince violated the terms of an aid and arms embargo on Haftar, a rebel against the internationally-recognised LIbyan government.