My son completed 8 weeks of ISR training during the summer of 2010. He was just 1 year old. We went on a family vacation. One afternoon I took him to the pool at our hotel. He had a great time in the water, but then he wanted to explore the pool deck. He was just getting good at walking. He was walking next the pool, with me right behind him. He took one wrong step and fell right into the pool. I jumped in after him and just as he rolled onto his back I grabbed him. It wasn't until...