The Economist’s blog reports, After a long drawn out, and highly fraught, negotiation that pushed right up against the deadline, America and South Korea have inked a new trade deal. It is the largest America has signed since NAFTA. However, tensions between the Bush administration and resurgent protectionists in America’s new Democratic Congress make it highly uncertain that the pact will be ratified. I don’t yet know if the opposition will be enough to defeat the deal, but some key...