No such thing as 100%. We've killed the innocent before and we'll do it again... it's just something you accept as part of having a death penalty.

As for the cocktail being cruel and unusual - I don't see why there's so much controversy... if there is some suggestion that they might not be using enough anesthetic - just up the amount of anesthetic in the cocktail and be done with it. A bit more drug can't cost much compared to the cost of the overall process.

AAR, they should just do what they do with cattle... stun them with a cash knocker or a bullet or something and then slit their throats 'till they bleed out... that is considered plenty humane enough for a cow... and I have less respect for these folks than I do for cows