Santana absolutely nails the solo on it; this might be a new favorite. Do watch the video before Hulu takes it down - it should be available for around four weeks from the time of this post.
Side note about this episode: I think a lot of people completely missed the point of the Burt/Finn/Kurt scene (Mike O'Malley was especially strong, here). Remember the scene from Lord of the Rings: Return of the King where Frodo's face betrays his anguish over accepting Aragorn's "you bow to no one" praise, knowing that he would have failed without Sam and the assist from Gollum?
Right. Now watch the suffering on Kurt's face in that scene. He knows he's brought all of this upon himself, and that he doesn't deserve his father's impassioned defense in this situation.
I could be wrong, but I don't believe the show is saying that Kurt is in the right, here. Far from it. I just don't think he fully realized until that moment how his actions had affected Finn.