Paul Krugman’s G+ account was a hoax.
http://krugman.blogs.nytimes.com/2011/08/24/identity-theft/
There are so many fakers out here, like Lady Gaga. They will all be outed eventually.
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madame scientist's not-so-mad musings 
There are so many fakers out here, like Lady Gaga. They will all be outed eventually.