Call a press conference.
Ask the High Priestess of Pesticides and her acolyte in Nevada to join you at the podium, one on your right and one on your left.
Announce that you’ve decided to get rid of the herd with PZP.

A sigh of relief will go up from their followers.
Tell the press you need assistance from NGOs.
Let your guests step forward to pledge their support.
Tell the public you want healthy horses on healthy rangelands.
Tell the ranchers (privately) that the herd will implode in five years as the birth rate sinks irreversibly below the death rate.
Point to Assateague Island as an example of what can be achieved if they would just be patient.
