Joe Biden still dominating, but his lead is shrinking and the field behind him is all over the map ...
South Carolina senator still facing scrutiny over judicial votes ...
Former vice president is blowing the doors off the competition ...
Their mouths aren't where there money is ...
Palmetto State adds to former vice president's early state momentum ...
Clown car is getting full ...
For now ...
Congressman can't take the heat ...
Upstate lawmaker beats back unexpectedly strong challenge from Democratic hopeful ...
The great contemplator makes his move toward a "birthright presidency ..."