Hong Kong’s 20-year handover hangover

Twenty years after the “one party, two systems” treaty guaranteed Hong Kongers’ democratic rights, we ask if China has kept its promises and whether the UK should have been a better advocate for its former colony. We get the verdicts from Lord Patten, the last British governor of Hong Kong; Carrie Lam, Hong Kong’s chief executive; Nathan Law, one of the key figures of the Umbrella Movement and the youngest lawmaker in Hong Kong’s history; and China Dialogue’s Isabel Hilton.