Anchors | ShopTalk Former WHO, WOI Anchor Dies at 38 By Andrew Gauthier on Nov. 29, 2011 - 10:20 AM Bobbi Jean Silvernail, who worked as an anchor and reporter for WHO and WOI in Des Moines, died suddenly on Sunday. She was 38. Known to Iowa viewers as Bobbi Bergman, Silvernail worked as an anchor at NBC-affiliate WHO from 1999 ...