Loose rules for guns strengthen ‘sniper subculture’Friday, October 11, 2002 By MARIE COCCO WASHINGTON -- There is everything to like about Carolyn McCarthy. The New York congresswoman who got to Washington on the trajectory of tragedy still laughs with gusto and dresses without flash and pulls back her hair in a ponytail like a suburban homemaker. That is what she was when a gunman on a Long Island Rail Road train shattered her old life and launched her toward another. She took to politics after her husband was killed and her son gravely wounded aboard that commuter train. It was...