Brandon Young scored 21 points, and a renewed defensive effort in the second half allowed DePaul to overcome a 14-point deficit Wednesday and beat Chicago State 74-64.On the day Chicago State announced it will join the Western Athletic Conference in 2013, the Cougars nearly delivered an upset win against their crosstown foe. Chicago State (2-8) shot 53 percent in the first half, including 4 of 8 on 3-point attempts, to help build a 44-30 halftime lead.DePaul (5-3) couldn’t have played much worse in the first half. The Blue Demons committed 12 turnovers – finishing with 21 for the game – and shot only 30 percent from the field.CSU went cold and put up an ugly shooting performance in the second half. The Cougars went 5 of 26 from the field and did not make a shot until Matt Ross’ layup with 11:39 remaining.