Hong Kong’s leader has vowed to be a “reformer” that rises to challenges rather than becoming a “complacent idler” in the face of the economic restructuring and geopolitical tensions, as he enters his fourth year in office. In a speech to mark the 28th anniversary of the city’s handover to Chinese rule, Chief Executive John Lee Ka-chiu on Tuesday also laid down three priorities in his governance: boosting development backed by security; expediting the Northern Metropolis megaproject near the...