The Next President?

From the market at Intrade, here are the probabilities as of Sunday morning:

P(Obama) = 0.41
P(McCain) = 0.34
P(Clinton) = 0.24

2/11 Monday morning update:

P(Obama) = 0.46
P(McCain) = 0.33
P(Clinton) = 0.21

2/13 Wednesday morning update:

P(Obama) = 0.50
P(McCain) = 0.31
P(Clinton) = 0.18