the best thing he (Clinton) could have done about Somalia was to never have gone there in the first place

I think you will find that George (H.W.) Bush was the one who authorized troops be sent to Samalia.

Otherwise, you may have a point. Claiming that "Somalia was my biggest failure" is classic Clinton. The Kosovo disaster will be felt for generation. An order of magnitude worse the the nosebleed in Samalia. It's a bit like pleeding guilty to grafitti in one area so the cops will not see you as a suspect in the warehouse fire in another part of town.