Following Mayor Julian Castro’s successful ballot referendum on Nov. 6 to authorize an 1/8-cent sales tax to support the Pre-K 4 SA Initiative, the city now needs to hire more than 100 people to provide early childhood education to eligible four-year-olds this August. “This is a major milestone in our efforts to make San Antonio the most vibrant brainpower community in the country,” Castro says. “The vision supported by voters is taking shape by hiring the qualified individuals who will…