The National Rifle Association, in its first statement on the Las Vegas shooting and in a rare break from its traditional opposition to gun-related regulations, called Thursday for a federal review of so-called bump stocks...On Thursday, the NRA called on the ATF to review that assessment...the National Rifle Association is calling on the Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE) to immediately review whether these devices comply with federal law.”...Even the Senate’s No. 2 Republican, John Cornyn of Texas, opened the door to new restrictions.