Nineteen people were shot in seven attacks overnight in Chicago, as the US city's gun violence epidemic continued. Thirteen of the victims were shot within a half-hour period, including eight in a drive-by shooting on a single street. Chicago officials have been battling a sharp increase in shootings and homicides, with some elected officials arguing gangs do not fear the police. The city's murder rate has spiked 29% year-over-year as of this month. By that time in 2011, 270 people had been killed in the city, according to data complied by the local newspaper RedEye Chicago. In 2012, that number...