^Funny you should ask. I went looking and sure enough, found proof.
The Chicago Cubs will win the 2008 World Series
The Big Picture: The Chicago Cubs will win the 2008 World Series
Worry not, friends. That headline is not misleading. It's fact. Courtesy of our one-time nemesis, the geometric proof, we will prove that the Chicago Cubs will win the 2008 World Series.
Given:
The Cubs (36-21) are the best team in Major League Baseball
The last time the Cubs had the best record in baseball this late in the season was 1908
The Cubs won the World Series in 1908
Prove:
The Chicago Cubs will win the 2008 World Series
Statements
1. The Cubs are the best team in Major League Baseball
2. The last time the Cubs had the best record in baseball this late in the season was 1908
3. The Cubs won the World Series in 1908
4. History repeats itself in 100-year intervals
5. The Chicago Cubs will win the 2008 World Series
Reasons
1. Given
2. Given
3. Given
4. 100 is a magic number with supernatural powers that transcend external elements
5. Because we said so
There. Proof.
Extrapolated by Texpat: 
Obama is the best presidential candidate
Obama is winning in today's polls by a whisker.
This is the first time Obama has been ahead of McCain so late in a presidential race.
Therefore Obama will be the next US president.