(In June eight tale, corrects in paragraph 7 to turn what was once reviewed have been nationwide monuments, now not nationwide parks.) By Laura Zuckerman PINEDALE, Wyo. (Reuters) – Environmentalists on Friday accused the Trump management of political interference and retaliation within the ouster of Yellowstone National Park’s chief after his disputes with U.S. Interior Secretary Ryan Zinke over the park’s celebrated bison. Dan Wenk, who has led probably the most country’s premier parks since 2011, on Friday described as “punitive” the verdict by means of Zinke that he will have to retire early or be reassigned to a publish in Washington, D.C. Wenk stated in an interview he was once now not given particular causes for the ultimatum, which got here after he had introduced his aim to retire in 2019.