You can see Tradesports data over the past couple months here.
Elsewhere, Joe Liberman says John McCain is the closest thing to JFK in this election:
Well, I say that the Democratic Party changed. The Democratic Party today was not the party it was in 2000. It's not the Bill Clinton-Al Gore party, which was strong internationalists, strong on defense, pro-trade, pro-reform in our domestic government. It's been effectively taken over by a small group on the left of the party that is protectionist, isolationist and basically will --and very, very hyperpartisan. So it pains me. I'm a Democrat who came to the party in the era of President John F. Kennedy. It's a strange turn of the road when I find among the candidates running this year that the one, in my opinion, closest to the Kennedy legacy, the John F. Kennedy legacy, is John S. McCain.More here.