Wishfully thinking.
For your information America will not fall in your life time. Get used to it and stop whining.why are so certain my friend by the way you sound like A Modern Uncle Tom,by who ever thought that the Soviet Union the Most largest geo-political empire would end up within that way?come to thnk of it neither a war was fought nor a single bloodshed was spilt,...and remember i'm talking about the empire that threatened the west for almost thirty years,...if thats not enough come to think of France no body ever thought Napoleon would lose likewise the NAZIS OF THE THIRD REICH,....thou i don't deny the fact that The U.S would demise slowly starting with her economy(Crisis in the federal reserve)...China might the leading economic giant but her military complexity still pares in comparisson with the U.S and there will be no military conflicts for ascendancy since they are less acceptable the U.S in the future under severe economy restrictions might desire to use her military complexity to put Asian state in Check and if that happen then it would be her complete demise,China has gained the trust of many even the friends of America making her lead than 200 giant trades while U.S has 76,by which in 2006 U.S was the first she had than 200 while China had only 70.......all and all the U.S and China are great business partners with the same motive(TRYING TO KEEP OUR WORLD IN CHECK UNDER NEW WORLD ORDER)so don't Chinese are gonna be of any difference,WORKHARD FOR TANZANIA MKUU AND CHOOSE WISELY WHO TO EMBRACE AND WHO TO BE AGAINST.