...Mr. Bush said the U.S. would "absolutely" drop its system of farm subsidies if the European Union eliminated its $40 billion a year Common Agricultural Policy. Now, that's a radical idea. It certainly trumps the calls by British Prime Minister Tony Blair and others to double official development aid to sub-Saharan Africa or to forgive more debt. Getting rid of U.S. and EU farm subsidies -- and the protectionism they entail -- would do far more to address what liberals like to call a "root cause" of poverty. Too many African exports, particularly farm commodities, are kept out of Western...