1. Who cares about what that traitor will say. His reasons are irrelevant. The idea that a sworn bodyguard should have the right to kill a head of state without punishment, because he think he is evil is a sickening idea with consequences beyond many people´s understanding. 2. One can hope. Daenerys have a gentle soul however, so maybe she sends him to the wall. That is far more than he deserves. 3. I guess everything could happen, but I really can´t see why Tyrion would be too keen on