Russell and Shawn call themselves the PS Brothers: P is for poop, S is for scoop, and Brothers is because they're best friends. Scooping poop is the fastest way to earn money to buy a puppy. These two are crazy about dogs. And they're sure that once their puppy grows into a tough dog, no one will ever pick on them for being weak or poor again. Unfortunately, getting a puppy is not that easy. Russell and Shawn don't...