In the latest attempt to juice up prime time, CNN is expected to name broadcast news veterans as executive producers on two of its news programs. David Doss, who has been executive producer for ABC's news magazine, Prime Time Thursday, and the NBC Nightly News, will take over Anderson Cooper's 7 p.m. show, Anderson Cooper 360, replacing Terry Baker, also a former ABC producer who worked on Nightline. Another ABC veteran, Victor Neufeld, will be the new executive producer of CNN's 8 p.m. show, Paula Zahn Now. Neufeld most recently was no. 2 at the CBS Early Show and had...