The Russian TikTok video has it all: a cat, puppies and a pulsing background beat. It’s cute, watchable and hardly seems the stuff of state propaganda. In 2014, Russia flooded the internet with fake accounts pushing disinformation about its takeover of Crimea. Eight years later, experts say Russia is mounting a far more sophisticated effort as it invades Ukraine . Armies of trolls and bots stir up anti-Ukrainian sentiment. State-controlled media outlets look to divide Western audiences. Clever TikTok videos serve up Russian nationalism with a side of humour. ‘Stop war, stop Putin’: Protests around the world in solidarity with...