VOA China 360: China Toughens Position on Hong Kong Booksellers After Initial Gestures

China is toughening its position in the case of five Hong Kong booksellers it detained for publishing books critical of Chinese leaders. It's a case that has drawn global concern about press freedom in the autonomous Chinese territory. In the past week, Chinese authorities have made new a threat against one of the booksellers - Lam Wing-kee. In this podcast, VOA's Michael Lipin brings you reaction and analysis from Amnesty International's China researcher, William Nee.