What about Brazil?

Celso Itibere, a respected auto racing columnist at the 'O Globo' newspaper, the biggest Brazilian newspaper, and also a Champ Car commentator on Rede TV, the network that broadcasts the races in Brazil, has this to say in this O Globo article, (rough translation) "Next year, the Interlagos circuit will host, in September, the Brazilian F1 Grand Prix, and, possibly three weeks later, another important race: the Brazilian Champ Car Grand Prix". "The American series, which will also have Cristiano da Matta, who is almost sure to race with Newman-Haas, is also negotiating for a race in Buenos Aires, one week before or after the Brazilian race"