When Alexei Navalny died last week in a remote Arctic penal colony, many felt that it signified the death of hope for a future, democratic Russia.

Because for nearly two decades, Navalny fought for fair elections, human rights, and freedom of speech; eventually rising to become Vladimir Putin’s most feared opponent.

Today, international and political editor Peter Hartcher, on Navalny’s widow, Yulia Navalnaya, who has vowed to take over her late husband's work. And whether she will be able to unite the fractious democratic movement within Russia.