Two Republicans wanting to be U.S. senator met behind closed doors a little more than a week ago to try to gauge whether the other guy is running. Though neither state Sen. Bob Welch nor Brownsville businessman Tim Michels will talk about the hourlong sit-down, sources say the two wannabes reached the same conclusion: A primary brawl is coming. Welch, who brings a wealth of political experience but little cash, will likely square off against Michels, who has a ton of cash but empty pockets when it comes to political experience and name recognition. "They both seem very bound and...