Nick Kotz speaks about The Harness Maker’s Dream and the Kallison family of San Antonio with David Martin Davies, Producer and Host of TEXAS MATTERS.  Learn more about the program at http://tpr.org/programs/texas-matters and tune in the weekend of January 4 to listen to the interview. TEXAS MATTERS is a Texas Public Radio broadcast that airs on 30 stations across the state Fridays at 3:30 pm, Saturdays at 6:30 am, and Sundays at9:30 pm CT