"Dallas" (Wed., 9 p.m. ET on TNT) debuted on TNT Wednesday night with a two-hour Series Premiere packed full of the stetsons, scheming and sketchy morals that long-time fans have been craving. And of course, there was amoral oil baron J.R. Ewing (Larry Hagman) at front and center. But did he show a softer, more penitent side to his character? Upon glimpsing his ex-wife Sue Ellen (Linda Gray) at -- where else?