The main thing this show has going for it is all the politics sewn throughout it. The temporarily alliances, double-crossing, backstabbing, using, etc. I will probably watch Season 5. I do have to say, though, there's a too common theme of "I didn't tell you because I wanted to spare your feelings, but it blew up in my face." (again..? Really?) Or, when one plan is going very well, someone has to do something stupid to mess it up, etc.
This show also has a great number of awesome villains, good bad-guys, bad good-guys, downright dirty folks, and all in all great character development.
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