As they like to do, the Fox & Friends team picked up on a story this morning from corporate brother the New York Post and its Page Six gossip site; another in a series of, as mediabistro.com's David Hirschman writes, "its increasingly childish feud with MSNBC's Keith Olbermann."

The Page Six story is something about missing ketchup packets and a first-class train ride to Washington DC.

This is now the third Page Six item on MSNBC in the last six days. The first targeted both Olbermann and Chris Matthews, the second on Saturday was about Olbermann's battle with RLS, and then today.

The Page Six piece also gave the F&F team (with Joan Rivers thrown in for laughs) a chance to take a shot at FNC's chief rival... after the jump...

> More: Emailers tell us Olbermann did another preemptive Worst Person segment last night ahead of today's Page Six item. All three spots went to News Corp. employees, two to Bill O'Reilly. Worse went to the Page Six writer while Worser and Worst went to O'Reilly... for... oh hell, just watch this.