[Luke had paused, simply leaving it in the air like a subtle insinuation. He had wanted to allow Luke to explain, but he could not allow the ambiguity to remain in the air. The sooner it was all out in the open, being confronted, the less chance there was for a misunderstanding.]

"... Palpatine deceived us all, Anakin. He orchestrated his own elevation to Supreme Chancellor. He manipulated Padme, and then later her proxy, into granting him a level of power unprecedented in the history of the Senate.

And then, he had you execute Count Dooku. The one person who might have conceivably been convinced to relay the name of his master. He even told you to leave me for dead, afterward.

I regard it as my own failure, Anakin. I should have protected you. Seen what he was trying to do. I was blinded, as we all were."