For the second consecutive Sunday, crowds formed in Hong Kong's Victoria Park before setting out on another mass march against the government’s extradition bill. It was the third mass demonstration in eight days over the bill which could open the door to extraditions of suspects to the Chinese mainland. Sunday’s march came four days after violent clashes between protesters and police, and one day after a dramatic about-face by the city's leader, Carrie Lam, who announced on Saturday she would…