A Cook County jury awarded $1.3 million to a woman who was injured in a rear-end collision on the Kennedy Expressway.The verdict was reached Dec. 12 after a six-day trial before Circuit Judge Ann Collins-Dole.In December 2006, Nancy Cohn was a passenger in an SUV driven by her husband in the northbound lanes near Montrose Avenue.Traffic ahead slowed to a stop because of another unrelated crash farther up the road, according …