奥巴马在即将上任之际，写了封公开信给两个尚未成年的女儿。亲爱的玛丽亚和萨莎：这些是我想要让你们得到的东西：在一个梦想不受限制、无事不能成就的世界中长大，长成具慈悲心、坚持理想，能帮忙打造这样一个世界的女性。我要每个孩子都有和你们一样的机会，

Russian President Vladimir Putin and U.S. President Barack Obama may communicate with each other on the sidelines of the

A number of lines in the robustly applauded speech delivered by Melania Trump at the Republican national convention on M

Once again, he was the comedian-in-chief. 今年的2015白宫记者会晚宴上，奥巴马再次化身首席谐星。Describing his presidency

Below is the transcript of the Presidents video message:以下是总统羊年祝福视频的文字稿：Michelle and I send our warmest

President Barack Obama has ordered 275 U.S. military personnel to Iraq to help provide security to the embassy in Baghda

BBCNewswithJerrySmitPresidentObamahasaskedthePentagontomakeplanstowithdrawalltheAmericantroopsfromAfghanistanbytheendoft