Democratic and self-ruled Taiwan split from China at the end of a civil war in 1949 and exists under the constant threat of invasion by the mainland - AFP Shaun TANDON The United States vowed Wednesday to support Taiwan in hopes of preventing a Chinese invasion, standing firm ahead of long-awaited talks between leaders Joe Biden and Xi Jinping even as the powers reached a surprise agreement on climate. Secretary of State Antony Blinken said that the two presidents, who have not met in person since Biden’s election, will hold virtual talks “soon” amid reports the planned meeting will take...