So what, exactly, is a "Tejana," and why is Diane Denish's campaign using the term to attack Susana Martinez? The answers depend on whom you ask. A new commercial in the campaign television wars has Denish's campaign labeling Martinez as a "Tejana" who is "bought and paid for by a Texas billionaire." "We know that Susana Martinez is from Texas ... Susana es una Tejana," says Denish's lieutenant governor running mate, Brian Colón — who was born in New York but moved to New Mexico with his family as an infant. Martinez was born in El Paso and lived there...