The content originally appeared on: CNN (CNN)President Joe Biden and his Chinese counterpart Xi Jinping held a lengthy and candid discussion about Taiwan on Thursday as tensions mount between Washington and Beijing, despite Biden's onetime hope of stabilizing the world's most important country-to-country relationship. The two leaders did agree to begin arrangements for a face-to-face summit, their first as Xi resists travel amid the Covid-19 pandemic. And certain areas of cooperation, including climate change, were hashed out. But the Taiwan […]