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The water contract , while small on the scale of the billions that flowed into Iraq , raises questions about why U.S. taxpayer dollars went to well-connected businessmen rather than Iraqis who could have benefited from a share of postwar reconstruction business . Pursuit curves can arise in a variety of situations and may involve more than one pursuer . For ice cream alone , the consumer faces a variety of brands , flavors , container sizes , and types ( fat-free versus low-fat versus premium , and so on ) . But his budget assumes , at least on paper , that no additional war funding will be needed after 2009 . Private accounts , entitlement cuts and less money for the poor are n't the way to win cooperation , he suggested . But you ca n't make money here ; anyone who wants to make money has to leave . More formally , a pursuer must always head directly toward the pursued , and the pursuer 's speed must be proportional to or match that of the pursued . Toward the end of his paper , Euler returned to the special cases he had mentioned at the start . He made it clear that he 'll vote to make sure school districts get the money they need from the state to make up the difference . Former Iowa Gov. Tom Vilsack criticized senators in the race who refuse to cut the money that is paying for troops in Iraq .