EDITOR'S NOTE: CBS News Texas celebrates Hispanic Heritage Month and the importance of the culture in North Texas and across the country. Today, we spotlight a local singer making her mark on the national stage while bringing attention to mental health. Less than four seconds. That's how quickly a coach turned their chair during Ren Galera's blind audition on The Voice —one of the fastest in the show's history. "My reaction to Kelly turning, I'm not going to lie, I blacked out entirely," Galera