Chomsky wrote: "The only security this is giving is to those [Israeli settlers] who are illegally there, on the other side of the Green Line"

Chomsky is partly right. Placing the barrier there does save Israeli lives. Israel didn't build the fence on the green line for the following reasons:

1) the PA was so corrupt and unreliable, there was no chance to negotiate a route with Palestinian input. Israel was forced to decide what to do unilaterally.

2)Palestinians don't have any special honor for the Green line anyway. Many attacks on Israelis have taken place well inside the Green Line.

3)The whole point of the security fence is to save Israeli lives from suicide bombers. With so many Israelis living on the other side of the Green Line, the fence had to be routed differently to save Jewish lives.

4) While the route does not exactly follow the green line, its pretty darn close

5) land has been taken under eminent domain, property owners are being compensated (but squatters probably aren't)

6) Chomsky doesn't let us know that the security fence is actually saving lives. Thats a good thing, right?