Biden's former rival for the Democratic presidential nomination lauds his empathy and integrity.
The last viable female candidate leaves the race and emotions are palpable.
The two are the front-runners among Democratic presidential hopefuls, but Elizabeth Warren and Michael Bloomberg remain very much in the race.
The gender outlaws flex their influence.
The first openly gay legislator in Pennsylvania explains why Warren is his pick for president.
The results in a state seen as a must-win for Biden may buoy his campaign.
The last Democratic presidential debate before the South Carolina primary and Super Tuesday was a lively one.