Could there soon be a third member of the libertarian Paul family in Congress? Robert Paul, a doctor who lives in Fort Worth, is saying maybe, telling a newspaper that he has “thought about running” for the seat representing Texas in the Senate that is being vacated by Sen. Kay Bailey Hutchison, who is not running for reelection. One of Rep. Ron Paul’s (R-Texas) five children, Robert would become the second Paul offspring to run for Congress, joining brother Sen. Rand Paul (R-Ky.), who was elected last year. In an interview with the Star-Telegram published Thursday, Robert Paul acknowledged that...