It should be noted that Harman famously doesn't like Pelosi and vice versa, so there may be more to this story.
Of course there is a bit of 20/20 hindsight in thinking these wimps should have protested shaming their country. They were not only scared of the muscular men of spookland and GWB's faux-macho, they also thought dangerous Saudi and Taliban fundies might be hiding under beds. Still, the revelation is disgusting.
Not going along with the unthinkable requires thinking about it in advance and training oneself to recognize what lines should never be crossed. These practices are not much part of rising in politics. Apparently Nancy Pelosi's much ballyhooed Catholic education by Notre Dame nuns and Trinity College did not serve her when push came to shove.