Anti-government demonstrations have been banned indefinitely in Cambodia. The ban comes after several striking garment workers were shot dead by police and many others were injured. Hun Sen, who has ruled the country for nearly 30 years, has faced increasing opposition since elections were held last summer. Members of the opposition have called for a new election, alleging fraud, but the government has refused. Elizabeth Becker, a former senior foreign editor at National Public Radio and author of When the War Was Over: Cambodia and the Khmer Rouge Revolution, explains what’s behind the country’s rising political unrest. (Photo: AP/Heng Sinith)