He's blazing a trail. He's taking a more public role in warning about these issues than his predecessors have.

We are blazing our own trail in terms of what products and offerings we have.

As time passes we all get better at blazing a trail through the thicket of advice

A public role endures for the literary high-command, as sages and seers, speaking out on social and political issues.

The tricky thing about threats and warning [the public] is the reaction to the warning.

More than any of his predecessors, he has gone public with every issue under the sun. I'm not sure there's a right answer, but I think it's worth talking about in a public forum what ought to be boundaries of the Fed governors' comments.