Ukraine Iran: J.D. Vance is learning an important foreign policy lesson the hard way.

Some higher-ups in the Trump administration are starting to realize they need two assets that they’ve previously disparaged: allies and military officers who know how to think independently. In an embarrassing moment on July 31, according to the Financial Times, Vice President J.D. Vance had to plead with Ukrainian President Volodymyr Zelensky to stop firing drones at oil-shipping vessels in the Black Sea because the attacks—while slashing Russia’s energy revenues—were also raising global gasoline prices, hurting not only the economy but President Donald Trump’s popularity. It must have been particularly embarrassing because Vance’s hostility toward Ukraine and toward Zelensky personally…