Sharing bodily warmth

THIS week, a potent mix of glitterati and digerati, plutocrats and aristocrats have been mingling in the Swiss ski resort of Davos, which hosts the annual World Economic Forum. Joining them on January 27th will be some 30 trade ministers, looking to revive the Doha round of trade talks. These negotiations began more than five years ago, with the aim of freeing trade in agriculture, manufacturing and services. They have struggled since then to get off the nursery slopes. Last July they almost wiped out once and for all.