Hi, everybody. Today, I want to talk with you about the crisis in Puerto Rico - and why it matters to all of us. Puerto Ricans are American citizens, just like folks in Maine or Oklahoma or New Mexico
How many people here in this room smile more than 20 times per day? 在座的各位有多少人每天微笑超过20次？ Raise your hand if you do. Oh, wow. 超过的请举手。 Outside of this room, more than a third of us smile more than 20 tim
Let's just look at something like, you know, 我们不妨看一个具体的问题 solving problems with making airlines safer. 比如如何让飞行变得更加安全 Yeah, I'm a million-mile flyer. 没错，我自己就经常要坐飞机 I do lots and lots of flying,
