When Marine Sam Wettstein returned home from his tour of duty in Afghanistan, he felt that something was missing in his life. He had spent 19 months working with Belle T634, a contract bomb-sniffing dog used to detect improvised explosive devices…

When Marine Sam Wettstein returned home from his tour of duty in Afghanistan, he felt that something was missing in his life. He had spent 19 months working with Belle T634, a contract bomb-sniffing dog used to detect improvised explosive devices…