**SPOILERS -- NARUTO 680**
How cool is it that Sasuke can summon two different animals. He's the only one I can recall that can do it. His new blue snake dude is cool and frienly (fuck you Manda), but whenever his hawks show up I go all LOTR and squee because let's face it...everyone loves birds of prey. They are just.so.cool!
I had to read this chapter a few times before I grasped the subtleties. And what my brain worked out doesn't please me. You'll read what I mean...
We start out with Sasuke's hawk catching Naruto in its talons, and said blonde getting upset that he didn't also try to rescue Kakashi and Sakura. Sasuke -may- have seen Kakashi move with his Rinnegan, and therefore saw no reason to swoop in. He seems unconcerned, and yet shows concern for the fact that Obito is not secure when Obito is not even a member of his team (but he is an Uchiha...).
Then Sasuke has to reel in Naruto's focus once again, and basically tells him that no matter what happens to anyone else, they ca