Arex, if Philips ultimately rejects Elizabeth because she puts the Motherland before him, that only shows he really doesn't get her. Gregory not only accepted that fact that Elizabeth put the mission ahead of her feelings for him, her devotion to the cause was one of the reasons he loved her. 
I love the fact that…

I think seeing how deeply Elizabeth cared about Gregory in the previous episode affected Philip's perspective on his relationship with Elizabeth. Before Gregory's suicide, Philip could tell himself that Elizabeth's feelings for Gregory were in the past and weren't that deep.

As far as we know, Claudia is more like Patterson than Zhukov. Claudia and Patterson are mid-level bureaucrats who implement the orders of others. Zhukov was a higher-level general who gave the orders.

Nina seducing Stan after he tried to break up with her shows that she's not as helpless as she might appear. Instead of solely relying on Stan to save her from the situation she's in, maybe she's going to try to save herself. Now that the Feds are targeting  KGB officers for assassination, there has to be a part of…

Elizabeth not killing Patterson reminded me of Elizabeth not killing Timoshev in the pilot. She is a spy who kills people for her job, but when it comes to killing people simply out of revenge, she doesn't seem to be able to cross that line. She will of course beat them senseless before not killing them.

*beats your face in and then apologizes for not killing you*

TV critic Alan Sepinwall tweeted that Hurricane Sandy caused a delay in production.