A death rattle for supply-side economics?

The times they are a changin’:

Led by Elizabeth Warren, presidential candidates and liberal economists are pushing an unorthodox “pro-growth” argument for raising taxes on the rich.

Since the days of Reagan and Thatcher, supply-side orthodoxy has maintained that taxation is always bad for the economy – and this ideology has maintained a stranglehold on public policies. At last, change is in the air. Read more here.