Daniel Nestor

I definitely think the way the game is transforming, becoming more and more athletic, guys are great athletes out here and relying on the physical skills more than their tennis skills, almost, sometimes. So for that reason, matching up with some of these guys, I can't keep up.

In 1967, the world health community launched a global effort to eradicate smallpox. It took a coordinated, worldwide effort, required the commitment of every government, and cost $130 million dollars. By 1977, smallpox had disappeared.