MONROE - Greg P. Gogin, the former Monroe man charged with sexually assaulting two children for more than 12 years, pleaded guilty Wednesday to one felony charge of sexual assault of a child and two related felony charges. The 56-year-old Gogin appeared in Green County Circuit Court with his attorney, Sarah Schmeiser. As part of his plea agreement, seven related charges - ranging from first-degree sexual assault of a child to fourth-degree sexual assault - were dismissed.