There is a distressing but not uncommon condition of presidents and other world leaders known as Worrying about Africa. It is usually picked up overseas as at summit meeting on world poverty or disease, and symptoms include painful twinges of guilt over the discrepancy between First and Third World wealth, uncomfortable feelings somewhere below the stomach that perhaps unfettered capitalism is not the benevolent force for good we are constantly assured it is, and frequent attacks of calling for Something to Be Done. The best remedy is invariably a stiff dose of domestic crisis.