During the past nearly three months of popular unrest in Hong Kong, unprecedented in size and intensity, the territory has become accustomed to surprises. Participants themselves have been taken aback by the scale of some of the protests, the violence they have spawned by protesters and police, and their persistence in spite of the economic harm that some residents fear they are causing and the risk they may be incurring of intervention by the mainland's security forces. Now the territory's chief executive, Carrie Lam, obdurate for weeks in the face of the protesters' demands, has changed her tune.
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