In this episode of The PDB Afternoon Bulletin: The Trump administration is preparing a new operation against Mexico’s powerful drug cartels. Plans are underway for U.S. troops and intelligence officers to cross into Mexico and target cartel leaders and drug labs on their home turf. Later in the show—a new mystery in the skies over Europe. Drones have been spotted for two consecutive nights above a Belgian air base believed to house U.S. nuclear weapons. The country’s defense minister calls it a “clear attack.”