<management of complexity - http://www.flickr.com/photos/michaelheiss/3090102907/> Plenty of better qualified people than myself have made this point, but it's cropped up a few times in both Twitter and face to face conversations, where 'reductionist' has been used in a generally dismissive way, as if to be identified as such signifies the end of a discussion. So, partly because I want to clarify for myself, and also to get feedback in case I'm missing something, I thought I'd set down my take on reductionism. In general, I think reductionism is a sound approach. Anyone with a child will know that we are natural reductionists. When your child goes through the 'why?' phase what…