The Sun Prairie boys and Sun Prairie/East/Marshall girls extended their leads after Monday’s fourth week of Wisconsin District 4 High School Bowling. The Sun Prairie boys have 38 points, 10.5 more than Cambridge, after leading Sauk Prairie by six points after the third week. The Sun Prairie/East/Marshall girls have 37 points, nine more than Monona Grove, up from two over the Silver Eagles after the third week. Twelve boys teams and five girls teams — there were 12 and six last...