Growing pains in gun groups – Tom King, the president of the state’s largest and oldest pro-gun group, has never had a bigger pulpit — and he’s never had so many of his fellow believers yelling at him.  The president of the New York State Rifle and Pistol Association saw its membership nearly double last year to more than 41,000 after passage of the state’s most divisive gun control law in decades, making it the nation’s largest state affiliate of the powerful National Rifle Association.