USA: 'Copwatchers' keep an eye on the police
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In the United States, tensions have risen over the failure to file charges against several police officers involved in fatal shootings. Some residents are now taking matters into their own hands by filming officers while on the job. Next, we head to Bolivia, where a new social class is emerging. Finally, we look at how one US photographer has united art and the environment to call attention to the amount of garbage we generate every day.