CHICAGO — At least 47 school-age children in Chicago have been killed in homicides, mostly by guns, since the month President Barack Obama took office. The latest youth homicide in his adopted hometown was different only in that the attackers used splintered railroad ties and were captured on video broadcast globally. The Sept. 24 attack prompted Obama to send his attorney general and education secretary to Chicago today after the killing tarnished the city's... (GunPolicy.org)