Hi, everybody. I'm here at Children's National Medical Center in Washington, D.C., visiting with some kids being treated here all the time for asthma（哮喘） and other breathing problems. Often, these ill

THE PRESIDENT: Thank you. Please be seated -- unless, of course, you don't have a seat. (Laughter.) I am honored to be here at Fort Campbell. (Applause.) I'm honored to be with the Screaming Eagles of

Hi, everybody. 嗨，大家好。 Three years ago this weekend, we put in place tough new rules of the road for the financial sector so that irresponsible behavior on the part of the few could never again cause a

I grew up to study the brain because I have a brother who has been diagnosed with a brain disorder, schizophrenia. 我之所以选择学习脑科，是因为我的一个弟弟被诊断大脑功能紊乱，用专业点的说法就是精神分裂症。 And as a sister and later, as a scienti

Hi, everybody. 大家好！ I'm here at Children's National Medical Center in Washington, D.C., visiting with some kids being treated here all the time for asthma and other breathing problems. 此刻，我在华盛