CBS Affiliates | FOX Affiliates | ShopTalk Brent Weisberg Joining KOIN From Rival KPTV By Merrill Knox on Mar. 6, 2012 - 1:40 PM After almost four years at Portland Fox-affiliate KPTV, reporter Brent Weisberg is joining rival KOIN. Weisberg will be a reporter for the CBS-affiliate’s morning newscast, which is anchored by Chad Carter and Alexis Del Cid ...