CBS Affiliates | Top 10 Karen Rariden Returns to Chicago, Becoming Assistant ND for WBBM By Andrew Gauthier on Jan. 18, 2011 - 11:33 AM Karen Rariden has returned to Chicago. CBS O&O WBBM welcomed Rariden back to the Windy City this month, appointing her assistant news director. Rariden worked as an executive producer for Chicago CW-affiliate WGN from 1999 t ...