WASHINGTON (Reuters) - The United States has wasted some $34 billion on service contracts with the private sector in the wars in Iraq and Afghanistan, according to a study being finalized for Congress. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=ne4fmCuRe2Q:P00sIh54Jxk:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=ne4fmCuRe2Q:P00sIh54Jxk:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/ne4fmCuRe2Q)