A fond farewell to Arne Duncan

Arne Duncan, who shook up K-12 to college education policy as President Obama's secretary of education, announced his resignation Friday. Duncan rejected the soft bigotry of low expectations for minority and poor kids. Over the years, the National Education Association called for Duncan's resignation. High school graduation rates are higher, and dropout rates lower. Millions of American children now have access to that golden key. Staff opinion columnist Gloria Romero is an education reformer an