| http://www.w3.org/ns/prov#value | - Wednesday, 28 January 2009 01:53 U.S. roads, airports, schools, levees, dams, and other infrastructure are in overall poor shape and require a $2.2 trillion investment to bring them up to par, an engineering group said on Wednesday.The American Society of Civil Engineers gave infrastructure a grade of D as U.S. President Barack Obama seeks $825 billion in extra government spending and tax cuts t
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