I'm about halfway through Season 3 of House of Cards and I was caught completely by surprise when this event happened. I'm not sure what the full ramifications will be. Spoiler ahead.

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Last chance to turn back.

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Claire Underwood is a brunette now! The blond ice queen is gone. Coming on the heels of the events in Russia it may be symbolic of a change in Claire herself. Or I may be reading way too much into it.