This is exactly what happened with Iran and Carter in 79. He didnt apply necessary force from the get go. If they see that the Marines will SHOOT anyone attacking the embassy, they will think twice. And that was our problem back then with Carter.
Foreign thugs are different than American citizens. I agree with others that Walker has to tread carefully, no matter how distasteful it is. Walker and the Republicans need to let the union thugs/Democrats destroy whatever support they have.