Hot stuff. Rudy Davila, who owns Rudy’s BBQ and Catering in the teeny South Texas town of Sinton (near Corpus Christi), will be on “Live With Regis and Kelly,”  Friday morning at 9ish on ABC. Mr. Davila was the top online vote-getter for his brisket recipe. He’s headed to NYC today, Wednesday, and prepare his brisket on Thursday.  Catch him if you’re home at that hour.