Tom Frieden

New, unfamiliar, and mysterious threats to our health are scary. At the Centers for Disease Control and Prevention - where we identify, on average, one new health threat each year - we work around the clock with an approach that prioritizes finding out what we need to know as fast as we can to protect Americans.

Zika is spread by mosquitos. They are tough to control. It will bite four or five people at one blood meal. They can breed in the amount of water it takes to fill up a bottle cap or, theoretically, even a drop of water. You have to get rid of maybe 90% of them or more before you protect people.

I remember watching 'Colombo' a lot with my dad. That was one of the first detective shows I remember watching. And I remember my dad turning to me - my dad loves to turn to me and explain why things are funny. He used to do that with 'Seinfeld' all the time. He did it with 'Colombo', too, set the scene.

After the collapse of the Soviet Union, the United States and China are more likely to view each other as competitors if not adversaries. But the die has not been cast. The best possible outcome is a new understanding that when they cannot cooperate, they will coexist and allow all countries in the Pacific to grow and thrive.