When President Donald Trump and Chinese leader Xi Jinping meet in Beijing later this week, there will be a lot to discuss: war, peace, Iran, Taiwan, trade. Trump has vowed to bring up another issue too: the case of Ezra Jin. A Christian pastor and the leader of the Zion Church, Jin was arrested by Chinese police in October and his family hasn’t been able to speak with him since. Frannie Block has been following the case ever since Jin’s arrest, and has obtained exclusive access to never-before-seen footage of Chinese police arresting Christians, audio recordings of police interrogations, and...