Trump-backed candidate suffers major loss in district that had gone for the presidentA state-level Democratic win in a Texas region that voted for President Trump by 17 points threatens to diminish the GOP’s hopes for the midterm elections, in what one of the state’s most powerful Republicans dubbed a “wake-up call.” Democrat Taylor Rehmet defeated Republican Leigh Wambsganss on Saturday for a state Senate seat by 14 points, in a solidly red district that includes part of Fort Worth. While Republicans including Texas Lt. Gov. Dan Patrick had been sounding alarms about the North Texas race being too close for...