Pat Bodnar has more. "And the Pursuit of Happiness" began as a monthly column in the Opinion section of the New York Times.

VOA: special.2010.12.10

It has a swing set, a climbing section, a slide and a tire for swinging.

VOA: special.2009.05.08

"A player who hasn't been playing for very long, I try to keep them next to the section player, or leader as we call it, that has been playing a while so they can always ask questions say, 'Hey,I don't know what that means.'" Matt is now in college, studying music education.

VOA: special.2010.06.21

The program has cost more than $700 million so far, but has only been tested over a 37-kilometer section.

VOA: standard.2010.04.21