Membership in Gun Groups Is Spiking After the Florida Shooting

The National Rifle Association and its allies have found their political influence under fresh scrutiny as gun control advocates push for new restrictions and corporations sever their ties in the wake of the deadly high school shooting last month in Parkland, Florida. But outside the gun control debate in Washington, membership in the NRA and gun rights groups across the country, which includes more than five million Americans, is spiking, according to people familiar with the numbers.