How Likely is a Chicago Cubs World Championship Repeat?

As the pitchers and catchers report this week in Arizona, the mood around the Chicago Cubs camp seems to be idyllic. Young players in the prime of their careers, ultra confident--and most importantly--ultra talented! Can they repeat as World Champions?  I thought it might be interesting to check out the stats of such a thing happening:

The last team to repeat as champs back to back was the New York Yankees of 1998, 1999 and 2000. 

WOW, that's an incredible streak. Do the Cubs have something like that in 'em? Email me: