David was thunderstruck when at age 17 he visited South America.
This was his pivotal moment of humanitarian awakening David\'s p.
David\'s tears were mixed with the realization of the inequities in life.
Shanties stretched to the horizon.
Drinking, washing, and sewer water emanated from a single source.
A family of five would share the only double bed mattress on the hovel floor.
Harsh poverty of Brazilian favelas presented a patchwork of tin and corn stalks cobbled together as homes.
David was thunderstruck when at age 17 he visited South America