Secretary of State John Kerry warned Russia Sunday that it should rethink its military intervention in Ukraine, warning of possible economic consequences and embarrassment on the world stage.
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CBS News: John Kerry warns of consequences for Russia after Ukraine invasion (VIDEO)

US Secretary of State John Kerry (L) and Russian Foreign Minister Sergey Lavrov pose before a meeting on January 31, 2014 in Munich, Germany. Kerry and Lavrov are in Munich to attend the 2014 Munich Security Conference. AFP PHOTO/ POOL / Brendan SMIALOWSKI