What is Trump's national security adviser thinking?

President Donald Trump’s pick for national security adviser, Lt. Gen. H.R. McMaster, hasn’t shied away from expressing strong public opinions on military and strategic issues.

That makes the celebrated military strategist and thinker unusual in the ranks of the Army, which decorated him for his multiple combat tours in Iraq and Afghanistan. It also makes for fodder on the policy perspectives he’s likely to bring to 1600 Pennsylvania Avenue, ones that could well go against the grain.

In his 1997 book on Vietnam, “Dereliction of Duty,” he emphasized the need for military officers to provide their unvarnished professional advice on matters of war. And