MYRTLE CREEK Two Portland ministers will offer a free seminar Sept. 22 on preventing domestic violence and healing from abuse. Ron Clark is a former member of the Oregon Attorney General Sexual Assault Task Force and the author of several books giving a Christian perspective on domestic violence. He will speak at the Tri City Church of Christ, 180 Briggs Drive, in Myrtle Creek, from 9 a.m. to 3:30 p.m. Sept. 22. Clark will be joined by his wife Lori Clark, who speaks to church groups and conferences on domestic abuse and sex trafficking and leads ministries for women. The …