The House of Representatives voted overwhelmingly yesterday to legalize semiautomatic rifles in the District and repeal its gun registration laws, but the bill's future appeared in doubt as a prominent senator announced she would try to block it. "If this bill comes to the floor of the United States Senate, I will do everything in my power to stop it," Sen. Dianne Feinstein (D-Calif.) said in a statement. The House bill passed 266 to 152, with the support of 85... (GunPolicy.org)