DALLAS (Reuters) - U.S. Senator Ted Cruz, trying furiously to beat back a high-profile challenge from Democratic rival Beto O’Rourke, repeatedly accused his opponent of being out of step with the Texas electorate as the two candidates faced off in a debate just six weeks before critical congressional elections. FILE PHOTO: U.S. Senator Ted Cruz (R-TX) and U.S. Rep. Robert Francis "Beto" O'Rourke (D-TX) are pictured in this combination photo in Houston, Texas, U.S.
