Iranian guards shooting innocent protesters

It's just interesting to me how careful Pres.Obama is with words. I understand that. A President has to be. But explain to me why Pres. Obama was "outraged" by abortionist Tiller's killing and merely "deeply troubled" by what is happening in Iran?

via Gateway Pundit

Sen.Lieberman has this right: We should “loudly and clearly” stand with the people of Iran