CHARLES TOWN – Women of West Virginia may take advantage of a mobile unit providing mammograms and other tests during the upcoming African American Festival in Charles Town. Bonnie’s Bus, a mobile mammography unit that travels to sites across the state, will be in town on August 20 to provide a one-stop breast cancer screening. The bus will be parked on Lawrence Street and will be open from 8 a.m. to 4 p.m.