Minnesota mining is at a crossroads. A slump in the nation's steel industry has hammered the state's taconite producers. One Minnesota mine has closed, others have cut production and jobs. Now, fallout from the terror attacks threatens to push the industry, and the nation into recession. Minnesota Public Radio's Bob Kelleher has the next installment of the MPR series, Economy On The Edge, a report on how different parts of the state are faring in the slowdown.