Minneapolis officials say an environmental impact statement for expansion of the Minneapolis-St Paul International Airport is flawed. They'll work today on the city's official response, incorporating comments from a public hearing last night. As Minnesota Public Radio's Eric Jansen reports, Northwest Airlines' domination of the market was a key topic last night: City council member Dore Mead says among her chief criticisms of the Environmental Impact Statement is that its estimates of future airport usage about 600,000 flights per year by 2010 -- are, in her words, "way off base.": "Were asking them to admit theyre low we all know it.