climate activists selected a number of targets this week. we can't get through! you pleased with yourself? a bridge, roads, a painting, harrods, milk... they say the world faces existential crisis but not everyone was convinced by the approach they saw. childish, petty, pathetic vandalism. "they've lost me forever," wrote andrew marr. the context here is that climate change is happening, global emissions are going up, so are temperatures, and this week the death toll from flooding in nigeria passed 600. the un says climate change is responsible. the un has also said this recently... the collective commitments of g20 governments are coming far too little, and far too late. there is a debate about what to