The Cambridge boys and the DeForest/Poynette girls maintained their leads after Monday’s 10th week of Wisconsin District 4 High School Bowling.The Cambridge boys have 75 points, 8.5 points ahead of Sun Prairie, while the DeForest/Poynette girls have 97.5 points, 8 points more than Sun Prairie.Thirteen boys teams and eight girls teams — there were 13 and seven last year — are competing this year. With the odd number of boys teams, one team has a bye each week. The competition...