The Trump administration’s foreign policy is in turmoil. National security adviser John Bolton has resigned or been fired — or both — and President Trump is taking heat from all sides, including from the Taliban’s spokesman, for a scheduled-then-canceled Camp David summit with the Taliban.

Amid this tumult, Trump ought to keep his eye on one fundamental goal he has long held: It’s time to end the war in Afghanistan, give up on nation-building dreams, and bring our troops home.