For Democrats desperate to beat President Donald Trump in November, Joe Biden is their only hope left. But now comes their real challenge - unifying the party. Progressives on Wednesday lost their champion in Sen. Bernie Sanders (I-Vt.), who dropped out of the race for the White House after acknowledging the former vice president's insurmountable lead. Advertisement
The Democrats' more liberal members now must decide whether to support their formal rival, despite long-held skepticism of his positions on key issues like "Medicare for All," climate change and immigration.