By the end of her first full week as the secretary of education, Betsy DeVos had already sparred with a middle school and a former schools chancellor in Washington, accused some of the school’s teachers of passively awaiting instruction and said she would be pleased if the department she currently runs did not exist in the future. She encountered an immediate display of the type of fierce resistance she will face as she tries to set new policies for the Education Department. On Sunday, she received a somewhat warmer welcome from the New York City schools chancellor, Carmen Fariña, who said in a radio interview that she was ready to work with Ms. DeVos. Read more.