Evidence for notion of Siege Democracies

This post by Ralph Seliger at Partners for a Progressive Israel (formerly MeretzUSA) is in response to a post by Ha'Aretz blogger psychiatrist Carlos Strenger in his blog Strenger Than Fiction. Both posit the notion that a combination of events and demographics have moved Israel's political system to the right since 2000 and the start of the Al-Aksa Intifada.  Here is the link to Seliger's post. It is in line with my previous claims that both Israel and Northern Ireland are siege democracies.