Former veep needs to slow his roll ...
Joe Biden still dominating, but his lead is shrinking and the field behind him is all over the map ...
"I love black people!"
Former vice president is blowing the doors off the competition ...
Palmetto State adds to former vice president's early state momentum ...
Can establishment Democrat save his party from itself?
"First in the South" primary heating up ...
For now ...
Wasn't Beto O'Rourke supposed to be the progressive champion?
Could "history of handsiness" sink Democratic frontrunner?