LAS VEGAS — Home appliances that do chores, cars that know your favorite cafe, and robot pets aiming to please are among artificial intelligence-infused offerings at the Consumer Electronics Show opening Tuesday. All these will compete for attention at the annual CES extravaganza in Las Vegas, as vendors behind the scenes seek ways to deal with tariffs threatened by U.S. President-elect Donald Trump. AI is once again a major theme of the show, along with autonomous vehicles ranging from tractors and boats to lawn mowers and golf club trollies. South Korean consumer electronics giant LG kicked off a media day