I keep coming back to Sherrod Brown as the guy the guy who is going to get the nom. If he enters the race, he is going to be one of the strongest players on the board. Here's a guy who gives a short rundown of what will make him such a strong contender.
https://www.youtube.com/watch?v=Tg8tyTH2tIQ
https://www.youtube.com/watch?v=Tg8tyTH2tIQ
We do not inherit the world from our parents. We borrow it from our children.