TAB, Univision and Others Host Dewhurst and Cruz Debate The Texas Association of Broadcasters, in partnership with Univision, North Texas Public Broadcasting’s KERA-TV, KERA-FM Dallas and other partners, hosted a debate between Lieutenant Governor David Dewhurst and challenger Ted Cruz in preparation for a senate runoff election on July 31. The first debate aired live on Univision, the KERA stations, as well as London Broadcasting Company’s KCEN-TV’s multicast channel, Me TV, on June 22.