US activists urge re-think on war on drugs

Caravan of Peace campaigners arriving in capital say ineffective anti-drug policies should end.

The US war on drugs has been described as one of the longest battles in the country’s history.

Some campaigners now say current policies should end because they simply are not working.

Al Jazeera’s John Terrett reports on the Caravan of Peace which has arrived in Washington, DC.

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