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VIDEO: The Week That Was: A depressing week in American politics

Two attack ads that were quickly labeled out of bounds shaped the campaign narrative this week. NBC's Domenico Montanaro also reports Mitt Romney has narrowed his VP pick to the final three: Rob Portman, Tim Pawlenty, and Paul Ryan, but his choice likely won't come until after his swing-state bus tour.

Video edited by NBC's Matt Loffman.