Many media outlets are speculating that an invitation to attend a press conference at Indianapolis Motor Speedway on July 16 is an indication that the track has finalized a deal to host a MotoGP World Championship event in 2008, which may be true. But at least one online car magazine is thoroughly confused about what actually races in the MotoGP World Championship. ~http://autoweek.com/apps/pbcs.dll/article?AID=/20070706/FREE/70706015/1531/FREE~