Presidential primary at risk in feud AUSTIN (AP) — The state's role in presidential politics could be a casualty of Republican infighting over West Texas boundaries in the effort to redraw congressional districts. Weary and sometimes angry lawmakers seemed to give up Sunday on reaching an agreement on new congressional districts in time to make the changes and still hold the Texas primary March 2. And tension continued to build among legislators Sunday. At one point, an abbreviated House session erupted in a shouting match between House Speaker Tom Craddick, R-Midland, and a dozen Democrats trying to force a vote...