The Gutting of Our National Park System

Imagine a million-acre wilderness: Mountain peaks. Rushing rivers. Bears and wolves. Now imagine a city the size of, say, Chicago.

In my corner of Montana every summer, those two things merge. Montana is home to Glacier National Park, and 30 years ago, the park had about a million visitors a year. Nowadays, the park attracts more than 3 million people a year.

It's like a major city teleported to the spine of the Rockies. Those visitors have needs-food, restrooms, parking lots, and trails. They deserve to be safe. They expect to have fun. That's why we have park rangers, along with road crews,...