DALLAS — Sen. Rand Paul on Friday met with George P. Bush, a rising star in Texas GOP politics, to discuss how to broaden the Republican Party’s appeal in diverse communities. “Really I wanted to get advice from him, as much as anything, about how the party grows in Texas and states with large Hispanic populations,” Paul (R-Ky.) told POLITICO backstage after stumping for a state senate candidate here. Bush recommended “showing up” in those communities, Paul said. The senator, who has said he is seriously considering a 2016 presidential bid, often talks about the importance of growing the Republican...