 Clinton's campaign was hobbled by infighting among the staff including much hostility towards Penn, and disagreement in strategy such as between Penn's strategy of going negative against Obama and other staff who wanted to maintain a positive campaign.Penn advised British prime minister Tony Blair and conducted polling during his successful campaign for an unprecedented (for a Labour leader) third term in 2005.President Bill Clinton had recommended Penn's services to British prime minister Tony Blair when they met at Ronald Reagan's funeral in 2004.