Sorry, weed smokers. Carnival Cruise Line has become what those who imbibe might consider a buzzkill. Despite continued momentum in the U.S. toward decriminalizing the drug or making it legal for medical and/or recreational use, Carnival has recently taken a sharp turn in the opposite direction by deploying drug detection dogs to deter passengers from bringing weed aboard its “fun ships.” Dogs are routinely brought on board to inspect embarking passengers and their carry-on luggage, according to social media posts by recent cruisers. It’s part of a new crackdown not just on weed, but on “people behaving badly” aboard cruises, Carnival CEO Christine Duffy explained in a video distributed to passengers in late February, just as spring break sailings were getting underway. Carnival Cruise LineA drug detection dog looks through carry-on bags of embarking passengers in this screenshot from a video released by Carnival Cruise Line last spring.