Local government obsesses about boundaries: we think they’re always wrong.  We spend hours, and pounds, looking at options for council reorganisation or Combined Authorities, and rarely agree where lines on maps should be drawn.  We seem intent on imposing our own version of order on a complex world which doesn’t respect those lines. Nowhere is that more true than in and around our capital city. London’s economic and social networks stretch beyond the GLA’s administrative boundaries into neighbouring districts.  Nearly…