So it's going to be very crowded and it's going to be very exciting.

WHITEHOUSE: President Obama Holds Town Hall with Chinese Youth

When you look at the U.S., it looks very crowded.

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Ms. JOSE CRAMER (Nurse, Dubea, Democratic Republic of Congo): Especially when it's as crowded in a refugee camp like this, then it spreads very easily, and it kills a lot of children, that's how, because they are already so vulnerable.

NPR: Congo Violence Creates Medical Crisis