@bloombergpolitics: #US President Joe #Biden and #China's #Xi Jinping leading the world’s largest economies should be reason enough for them to overcome their clashing biographies and worldviews. When they sit down for a tête-à-tête in San Francisco this Wednesday, they’ll also be acknowledging something they’d probably prefer not to: They need each other. Rebecca Choong Wilkins has more. #worldnews #politics #geopolitics