What the Gaza blockade means

Matt Yglesias tries to prove that Israel's Gaza 'blockade' is meant as 'collective punishment' by pointing to Gaza's sole power plant as an example (Hat Tip: Memeorandum). As I’ve noted before, in the eyes of its defenders the blockade of the Gaza Strip is a security measure aimed at denying rockets to Hamas, while in fact it’s a comprehensive effort to collectively punish Gaza residents—a