REI's flagship store in Seattle, I feel compelled to invite the author to my home state of Washington for a ten-day backpack trip through the North Cascades.

ECONOMIST: Points of viewers

Through the years, Brower had a profound impact on America's wildlands by helping to create national parks and seashores in Kings Canyon, the North Cascades, the Redwoods, Great Basin, Alaska, Cape Cod, Fire Island and Point Reyes.

CNN: Environmentalist David Brower dead at 88

Blink and you will miss Mazama (population 230), little more than a gas station, a cosy mountain inn and a mercantile store that, between November and April, is the last stop on the road west when Highway 20 across the North Cascades to Seattle is closed due to snow.

BBC: Cross-country skiing in Washington��s Methow Valley

The concerns were sparked by a report released Saturday by Stanford physicist Siegfried Hecker that he saw some 2, 000 centrifuges organized in cascades at a North Korean facility he visited earlier this month.

WSJ: North Korea Nuclear Find Raises Fears It Will Share With Iran