James Talarico (D) holds leads over both Republicans vying for the competitive U.S. Senate seat, reflecting voters’ surging concerns about the cost of living and dimming views of President Trump’s handling of the economy, according to a new University of Texas poll.The poll comes one month before Sen. John Cornyn (R) and state Attorney General Ken Paxton (R) vie for the Republican nomination in a hard-fought run-off election that has prolonged Republican infighting in the state.