For better or worse, we are returning to the mentality that followed Vietnam until the first Gulf War.

NRPLUS MEMBER ARTICLE B oth officially and unofficially, Trump’s foreign policy has been described as “principled realism.” What does that mean?

Neither nation building nor apologetic isolationism? Hurting Iran by not sending ground troops into the Middle East, but by ratcheting up sanctions and deterrent U.S. naval and air power in the region?

More often, proponents define that term as punishing enemies and helping friends, and thereby persuading observant neutrals to make the right choices. Principled realism is charitably described as an effort to enhance U.S. power, commercially and economically, but to use it sparingly abroad for U.S. interests — and with maximum effect when force …