Former president George H. W. Bush offered an informal endorsement of Mitt Romney in remarks published Thursday, saying that Mr. Romney “is the best choice for us.” The former president told reporters for The Houston Chronicle that he supported Mr. Romney because of his “stability, experience, principles. He’s a fine person,” Mr. Bush, 87, said. “I just think he’s mature and reasonable – not a bomb-thrower.” The paper reported the comments, made this week, on its Web site Thursday afternoon. A spokesman for Mr. Bush confirmed the accuracy of the comments and said they fully reflect the views of the...