Join­ing the ranks of the Avalanche dog, the Cocaine dog and the See­ing Eye dog arrives the Peanut-Detecting dog. They are real, and they become the sav­ior of fatally aller­gic kids who can now avoid unknow­ingly cross­ing paths with peanuts.

How are the dogs trained? And how do they feel about peanuts? These are the ques­tions that plague me.