[img_assist|nid=259|title=U.S. Sen. John Kerry (D-Boston) and U.S. Sen. John McCain (R-Ariz.)|desc=Getty Image|link=none|align=left|width=399|height=271]
While it remains to be seen how effective it will be, presumptive Republican nominee John McCain's campaign has recently developed a new strategy to attack rival Barack Obama: Obama, the McCain camp says, is worldwide celebrity that hasn't done anything to distinguish himself as a leader.