The NYPost's Don Kaplan writes that CBS Corp.'s challenges go beyond Katie Couric and CBS News. Kaplan writes CEO Les Moonves "needs to trade in his designer threads for an asbestos suit and fire hose. Again."

* A double-digit primetime ratings slide that CBS insiders quietly attributed to the writers' strike.

* The loss of two high-profile radio personalities Howard Stern and Don Imus.

* The economic slowdown, which has impacted CBS the most because it doesn't have other business sectors to lean on as rivals ABC, NBC and Fox do.