THE PRESIDENT: Be seated. (Laughter.) Welcome. What a great day for the White House. I am pleased to welcome volunteers from around the United States who have given of their time to help those who nee
Theodore ("Teddy") Roosevelt "The Man with the Muck-rake" delivered 14 April 1906 Over a century ago Washington laid the corner-stone of the Capitol in what was then little more than a tract of wooded
For the West (in general), and the United States in particular，the crisis was an internally generated event, which led to the collapse of the financial system. For China, it was an external shock whic
Existential risk -- the second big problem. 存在风险——第二个重大问题。 Existential risk is a threat to human survival, or to the long-term potential of our species. 存在风险是对人类生存，或对整个人类种群的长远潜能的一种威胁。 Now, why do I sa
