“Silver concluded that the “best guess, after assigning probabilities of the likelihood of a GOP pickup in each state, is that Republicans will end up with somewhere between 50 and 51 Senate seats”
I guess Dred Scott must be running for the Senate and the Pubs will end up with 50 3/5 seats according to Silver.
He is dealing with probabilities—you can make fun of him, but he is well worth reading.