So is useing a black president realy going to change world public opinion of america?

After all they used a black man (Collin Powel) to tell lies to the U.N before the iraq war that Saddam Hussian had over 200,000 litres of anthrax thus argueing for the case to go to war with iraq to Steal it's oil, and useing another black person Condie Rice in the middle east talks to say to the world that americans forgien polices are not racist.