The Hong Kong Protests Keep Escalating. Here's What We're Watching.

For the first time in almost four months of anti-government demonstrations in Hong Kong, a police officer shot a protester with live ammunition on Oct. 1. Riot police have fired tear gas, bean bags, rubber bullets and water cannons at protesters during street skirmishes, and they have even occasionally shot live ammunition into the air to try to disperse demonstrators. And protesters have thrown rocks and bricks, vandalized property and beaten police officers. But not until this week had a police officer shot a protester. Though the wounded 18-year-old protester was reported to be in stable condition on Oct. 2 and is expected to survive, the shooting represents an escalation in the violence that has become a regular feature of the protests....