After a delightful day in Sao Paulo, I just turned on the BBC to find out that this city is right now undergoing the worst wave of violence in its history — with more than 50 dead this weekend in prison riots and gang attacks on the police.

Two obvious lessons:

1) The police and prison guards have done all they can. It’s time for them to go home.

2) Somehow, this has to be Bush/Cheney’s fault.