WASHINGTON, July 22 (Xinhua) -- U.S. President Donald Trump on Tuesday accused former President Barack Obama of "treason" over the 2016 presidential election, prompting a fierce response from Obama's ...

新当选美国总统奥巴马11月4日晚在家乡芝加哥发表胜选感言。他说：美国目前主要面临的三大挑战：伊拉克和阿富汗战争、百年一遇的经济危机以及全球环境问题。 以下是演说视频和中英文对照全文： If there is anyone out there who ...