A U.S. aircraft-carrier group entered the South China Sea

China-Taiwan tensions rise .Chinese air force planes including 12 fighter jets entered Taiwan’s air defense identification zone for a second day on Sunday, Taiwan said, as tensions rise near the island.   China views democratically ruled Taiwan as its own territory, and has in the past few months increased military activity near the island. But China’s activities over the weekend mark a ratcheting up with fighters and bombers being dispatched rather than reconnaissance aircraft as had generally been the case in recent weeks. After eight Chinese bomber planes and four fighter jets flew into Taiwan’s defense zone on Saturday, between…