第二修正案的解读应该是这样的：

黄颜色的是省略掉的语言成分：

A well regulated Militia, (the militia) being necessary to the security of a free State, (as well as) the right of the people to keep and bear Arms, shall not be infringed.

主句其实是：A well regulated Militia shall not be infringed.

我当年应聘 The Citadel 的教职，得到回信说，如被聘用，自动成为南卡民兵队员！所以我赶紧研究了美国民兵的底细，请教了历史学家，被告知第二修正案被误读。