枪口之下（4K）

　　The Sandy Hook massacre was considered a watershed moment in the national debate on gun control, b[展开全部]

　　　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[收起部分]