At a meeting of Second Amendment advocates Saturday, Texas Republican U.S. Sen. John Cornyn vowed he will introduce a national concealed carry reciprocity bill in the Senate this week. Cornyn announced the move while addressing the annual meeting of the Texas State Rifle Association, the state’s National Rifle Association affiliate, in Austin. While Cornyn’s office has not released a statement on the issue, fellow Senate Republican Roger Wicker of Mississippi, a supporter, noted the measure “would give gun owners the freedom to use their concealed carry permits in other parts of the country, so long as the jurisdiction recognizes the...