On Obsidian Wings, there was a good debate about introducing an Iran invasion Litmus Test.
It began with Publius’s It’s Time for a Litmus Test on Iran and Von responded with Profoundly Unwise. Hilzoy looked at Iran and Litmus Tests, Von responded with The Long View, and Publius answered with When Keeping It Credible Goes Wrong.
All in all, an excellent debate with points made from all sides.