Who is Arthur Hamilton, the lawyer named by Mike Duffy?

[rwana]

http://i.cbc.ca/1.2254936.1382992726!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/arthur-hamilton.jpg Conservative Party lawyer Arthur Hamilton is among the people who helped negotiate payments to cover Mike Duffy's expenses in the long-running Senate spending scandal, Duffy alleged Monday.


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