The growing appetite for truffles is feeding demand for dogs trained to sniff out the pungent fungus prized by chefs and foodies. As more landowners plant orchards in hopes of harvesting truffles, ...

It begins with a snap of the head. A little dog circles, nose to the ground, then turns back. It catches the scent again and snorts. Tiny paws dig in the loose duff. Suddenly, a small white lump is ...