Three meat plate of brisket, ribs and jalapeno sausage with pinto beans and potato salad at Uptown Bar-B-Q in Dallas. (Photo ©Jim Rossman, Texas BBQ Posse) Editors note: Good news, we got an email that Uptown Bar-B-Q is open again under the ownership of Al Heidari.  I ate lunch at a new barbecue joint this week called Uptown Bar-B-Q, which is aptly named, as it shares space with venerable uptown Dallas restaurant The Old Warsaw. Uptown Bar-B-Q shares space with the legendary Old Warsaw restaurant. (Photo ©Jim Rossman, Texas BBQ Posse) Robert Austin, who had the Baker’s Ribs franchise in Grapevine until late…