WAUKESHA — Catholic Memorial earned its way back to the WIAA Division 4 state football semifinals with a 20-7 victory over Lakeside Lutheran on Friday. After allowing a touchdown on the opening drive, the Crusaders defense clamped down and kept Lakeside Lutheran out of the end zone the rest of the night. Quarterback MJ Mitchell would run in for the game-tying touchdown early in the second quarter, and then an interception in the end zone by Damyias Lopez in the final minute of the fourth quarter would seal the victory for CMH. CMH advanced to face 11-1 Luxemburg-Casco, a 24-21…