It is now all but certain that Hillary Clinton will be the Democratic Party candidate in November's US presidential election. After the latest batch of primaries, her lead over Bernie Sanders is insurmountable. But even now the Sanders campaign - radical, anti-establishment and crowdfunded - refuses to admit defeat. HARDtalk talks to Robert Reich, formerly secretary of Labor in Bill Clinton's administration, now a prominent supporter of Senator Sanders. Has the centre of gravity in the Democratic Party shifted?
