Frank Luntz said the GOP advantage in the Lone Star State is "shrinking and shrinking." Longtime Republican pollster Frank Luntz is warning the GOP that Texas has the “exact ingredient” for a potential Democratic upset in November’s election for a U.S. Senate seat. “The assumption has been for the last 20, 25 years, that Texas is solidly Republican,” he told NewsNation’s Leland Vittert. “But the demographics have been changing.” He said the state is becoming less white and Democrats are getting