Yesterday’s news but these conflicting-message videos need to be posted for future reference. Exhibit #1: MSNBC’s Keith Olbermann saying in an editorial rant last September that “in pimping General David Petraeus,” blah blah. Exhibit #2: Olbermann apologizing profusely for David Shuster‘s having used the same term in a question about the Clinton campaign’s use of Chelsea Clinton as a political emissary.