by Alan M. Dershowitz, Harvard law professor
Israel's military actions in Gaza are entirely justified under international law, and Israel should be commended for its act of self-defense against international terrorism. Article 51 of the United Nations Charter reserves to every nation the right to engage in self-defense against armed attacks. The only limitation international law places on a democracy is that its actions must satisfy the principle of proportionality. Israel's actions certainly satisfy that principles...
http://cgis.jpost.com/Blogs/dershowitz/entry/israel_s_actions_are_lawful