Liberals may not be able to pass a law through Congress that takes away our Second Amendment rights, but that just means they’re going to approach gun control from a different direction. A subsidiary of Visa, a key Obama campaign donor, that specializes in credit card transactions has abruptly stopped servicing the nation’s largest gun store after four years because the store sells guns, a fact the owners never hid. Hyatt Gun Shop of Charlotte, N.C., told Secrets that the subsidiary, Authorize.net/CyberSource, simply sent an email to owner Larry Hyatt to announce that it was suddenly breaking off the business...