In addition to tributes from neocons, Obama's fake leftism has been exposed most effectively by the extensive work of Chicago activist Paul Street. See some recent examples:
http://www.blackagendareport.com/index.php?option=com_content&task=view&id=463&Itemid=1 http://www.zmag.org/content/showarticle.cfm?SectionID=90&ItemID=14612 http://www.zmag.org/content/showarticle.cfm?ItemID=14637
Doug Henwood wrote:
> [ok, it's eight months old, but it is a corrective to all the
> breathlessness]
>
> Washington Post - April 29, 2007
>
> Obama the Interventionist
> By Robert Kagan
> ...