Cohen: What happens when the hotheads begin advising the president

With the appointment of John Bolton as national security adviser and the nomination of Mike Pompeo as secretary of state, Donald Trump has a pair of interventionist, dangerous foreign policy practitioners.
They join Peter Navarro, an unreconstructed protectionist, who is now a leading economic adviser to Trump. Together, they are America’s Three Horsemen of the Apocalypse.
Forget the sweet cautions of Rex Tillerson and H.R. McMaster. Amid the hothouse rhetoric of Bolton and Pompeo, they so