Now, if something is a public good then that means that we do have problems in dealing with it within standard laissez faire style free market economics.
For its sin of providing millions of working class Americans withgood service, broad selection and low prices, Walmart might as well have painted a (Target-style) bullseye on itself among progressives.
While insisting she was not advocating a "soft and fluffy" style of teaching, she argued that research showed that a good teacher had to engage with "the powerfully charged emotional relationship between teacher and pupil".