It's funny for you, isn't it? Twenty years ago, in the last months of her life, my mother campaigned to draw attention to the horrific and indiscriminate impact of landmines. She visited affected area
President's Radio Address THE PRESIDENT: Good morning. This weekend, families across America are coming together to celebrate Easter. This is the most important holiday in the Christian faith. And du
On a still bigger scale, we see entire galaxies of stars. We see entire ecosystems where gas is being recycled. 在更大的范围里，我们看到恒星组成的星系。我们看到完整的生态系统，看到气体被回收利用。 And to the cosmologist, these galaxies are ju
I'm a teacher and a practitioner of civics in America. Now, I will kindly ask those of you who have just fallen asleep to please wake up. (Laughter) Why is it that the very word "civics" has
