CNN  —  What do a sexy Hong Kong icon, a bankrupted entrepreneur and a failed military defense campaign have in common? They all contributed to the rise of bubble tea, the insanely popular Taiwanese drink that’s taken the world by storm in recent years. And now, it’s back in the spotlight thanks to recent comments by Marvel actor Simu Liu, accusing a Canadian drink business of cultural appropriation. It all went down on an episode of “Dragons’ Den,” a “Shark Tank”-style reality show produced by