LONDON, UNITED KINGDOM -JULY 21: Prime Minister David Cameron (L) meets with staff of 'The Big Issue' magazine as he guest edits this week's edition on July 21, 2011 in South London, England. The Big... more 
LONDON, UNITED KINGDOM -JULY 21: Prime Minister David Cameron (L) meets with staff of 'The Big Issue' magazine as he guest edits this week's edition on July 21, 2011 in South London, England. The Big Issue is produced to be sold by homeless people as a way of enabling them to make a living. (Photo by Chris Eades - WPA Pool/Getty Images) less 
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Thu, Jul 21, 2011 12:09 PM EDT