They saved the lives of our Members of Congress and prevented that dark day from becoming a tragedy beyond imagination. 他们拯救了国会议员的生命，阻止那个黑暗的日子变成超越想象的悲剧。 They, like so many other courageous police offi
激情,刻苦,精通，专注，强迫，点子，坚持，这就是成功的秘诀 This is really a two-hour presentation I give to high school students, cut down to three minutes. And it all started one day on a plane, on my way to TED, seven ye
Over the past few decades, there has been an intense struggle in Washington between the lobbyists游说者 for the insurance industry and the interests of the American people over what has been called a Pat
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