Houston Public Media today announced that popular local media figure Tessa Barrera is joining its weekday daytime talk show, “Hello Houston,” as co-host alongside longtime personality, Ernie Manouse. Barrera makes her on-air debut on August 17.  Barrera brings 13 years of regional television and radio experience to the program. The plan is for Barrera and Manouse to conduct conversations with newsmakers, community leaders, artists and neighbors, giving audiences a fresh, engaging look at the issues, events and people making an impact in Greater Houston.  “Tessa’s warmth, curiosity and ability to connect with people make her an outstanding addition to ‘Hello…