BEIJING - At an unusual meeting Friday, Chinese leader Xi Jinping talked with Taiwan’s main opposition leader about shared culture and bloodlines, before declaring that unification of the island with the mainland is a "historical inevitability." The meeting with Cheng Li-wun, chairwoman of the Nationalist Party, comes amid heightened tension in the Taiwan Strait over stepped-up military drills by China and Beijing’s disdain for American arms sales to the island. While it did not produce a grand