Nate Silver @NateSilver538
It's a little hard to know the cause and effect here. Clearly Biden would have been in much much better shape with… https://t.co/cPf3xxcygD — PolitiTweet.org
Jonathan Martin @jmartNYT
@SenatorReid Still time yet, but this is why Iowa, especially, was so key for Biden. If he can get out of there wi… https://t.co/h5tYTrmIRX