Residents of Tucson gather outside the hospital where the wounded survivors of Saturday's assassination attempt on Gabrielle Giffords joined a moment of silence called by President Obama. Some blame the increasingly belligerent tone of America's political discourse for the shooting. Others simply wondered what it meant for their country. Video by Dan Chung.

For more on this story check guardian.co.uk/world/2011/jan/11/jared-loughner-court-appearance-gabrielle-giffords

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