General Kofi Annan demanded steps be taken to end the ethnic violence in Darfur within 48 hours. Two weeks later, and the violence continues. The African Union is clearly not up to the task of keeping the peace, pledging 300 troops to an area that will need 15,000, according to analysts. And international donors have given only half of the relief aid that Darfur needs, according to the local UN officials. So hear we are, two weeks later, after that dazzling PR display two weeks ago by Powell and Annan, and the situation on the ground in Darfur appears basically unchanged. Warren Buffett is giving away 85% of his wealth , mostly to the Bill and Melinda Gates Foundation. It's a move that really worries me; Buffett's usual