DALLAS (AP) - He found what he was looking for in a sip of mezcal. Shad Kvetko had been exploring the growing range of quality tequilas when he found his image of Mexico's other agave-based spirit suddenly upended. Until then, his idea of mezcal was the gimmicky bottle with a worm in it. "I tried that years ago, and it was just terrible," he told The Dallas Morning News (http://bit.ly/1Nli8KK).