Sammy Ikua Gachagua had lost his father to illness, his mother to abandonment, and his home to poverty. By age ten, he was living in a shack with seven other children and very little food. He entered an orphanage seeing it as a miracle with three meals a day, a bed to sleep in, and clothes on his back. When Claire Diaz-Ortiz arrived in Kenya at the end of an around-the-world journey, she decided to stay the night, climb Mt. Kenya, then head back home. She entered an orphanage seeing it as little more than a free place to spend the night before her mountain trek. God had other plans. "Hope...