Census data show that, of those 3 and older enrolled at a school, an estimated 90.6 percent are in college. There are only 13 tracts with a higher figure, of the 1,338 tracts in the state.So are all the college students bringing poverty rates up, and thus inflating Blue Earth County ranking as No. 2 in the state for children in poor neighborhoods?Kara Arzamendia, research director for the Children Defense Fund of Minnesota, is skeptical that there are enough college students in a given tract to make a big impact on the data.The correlation is strong elsewhere, though.In a St.Indeed, most of Obama's tax proposals will apparently repeat those he has made before. For example, $800 billion would come from letting the Bush tax cuts for families earning more than $250,000 expire at the end of 2012, meaning the top rate on ordinary income such as salary would rise from 35% to 39.6%. Last month, in a oped, Buffett called for two higher tax ratesone on income over $1 million and the other o