In an age fraught with terrorism, United States Secret Service canine teams risk their lives to safeguard the president, vice president, their families, visiting heads of state, and a host of others. Unprecedented access to these heroic dog teams has allowed a fascinating first-time-ever look at a very special breed of heroes.Wherever the president goes, there will be dogs. They’ll be there no matter what the country or state. They’ll be there regardless of the political climate, the danger level, the weather, or the hour.