A Texas man is scheduled to appear in court Wednesday after being arrested for threatening to kill a federal official identified as Sen. Ted Cruz. James Amos Headley, 59, was arrested after admitting to FBI agents that he left a threatening phone message for the official, who was described by the initials T.C. in an affidavit but identified by sources as Mr. Cruz, the San Antonio Express-News reported. A message left July 11 on voicemail at the U.S. Capitol included a threat against the official as well as his family. “Pretty soon you’re gonna be runnin for your life, just...