Jason Mraz

Thanks to 'I'm Yours,' I'm probably set for a really long time. The pressure I put on myself, or what I hope my 'I Won't Give Up' does, is to make a difference in people's lives... With 'I'm Yours,' I got to go out and set my feet on different continents, and expose myself to different cultures and causes.

When I'm home, I spend Sunday with my husband. If we're not cooking, we travel around in our camper, stop at fast-food restaurants, and picnic. We love that stuff that will harden your arteries in a hurry.

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.