<p>DENVER — Severe drought, high winds and careless campers have all fueled the wildfires raging in Colorado, but Forest Service Chief Dale Bosworth sees another problem.</p>
<p>There are simply too many trees.</p>
<p>"We have so many more trees out there than under natural conditions," said Mr. Bosworth after spending several days touring the fire sites. "There might have been 40 to 50 ponderosa pine [trees] per acre at one time. Now you've got several hundred per acre."</p>