WASHINGTON (Reuters) -U.S. President Donald Trump's goal of re-occupying Bagram air base in Afghanistan might end up looking like a re-invasion of the country, requiring more than 10,000 troops as well as deployment of advanced air defenses, current and former U.S. officials say.

Commentary: Mexico’s new president is trying to fight the cartels; a U.S. invasion would do more harm than good. That’s the argument in Foreign Affairs from a group of counter-terror policy practitioners led by CSIS’s Ryan Berg; read on, here.