 A shooting at a block party in Detroit left two people dead and more than a dozen wounded, capping a violent holiday weekend in the U.S. that also saw mass shootings in Kentucky and Chicago. More than 100 were shot in Chicago, 19 of them fatally over the long Independence Day weekend, when there's often a spike in violence. One mass shooting Thursday in a neighborhood on Chicago's south side left two women and an eight-year-old boy dead. Chicago Police Superintendent Larry Snelling. The violence over the Fourth of July weekend...