A Waukesha County sheriff's deputy is facing charges for operating a vehicle while intoxicated and possession of a firearm while intoxicated after getting pulled over for driving west in an eastbound lane.Daniel John Matuszak was pulled over around 1:29 a.m. on May 11 at Highway 164 North and Highway 190 East in Pewaukee. He told another Waukesha County deputy that he was heading home to Brookfield from Oconomowoc.According to the deputy, Matusz…