1.如播卡顿或失败可切换片源。
2.如播放失败可点击切换线路。
3.我们最近发现视频里开始有插播广告，每个视频大概有好几秒，可以用快进跳过。这些广告都是视频源那边自带的，我们这边无法控制，谢谢大家的谅解。
年份：
2016
主演：
类别：
The Sandy Hook massacre was considered a watershed moment in the national debate on gun control, but the body count at the hands of gun violence has only increased. Through the lens of the victims' families, as well as pro-gun advocates, we examine why our politicians have failed to act. World Premiere
