Gary Gerren, the affable fire chief in the community of Fallen Leaf Lake, is serious about protecting the few hundred ... spawning dangerous crown fires. On a recent fall day, Carrie Thaler, U.S.

REUTERS/Aude Guerrucci Gary Gerren, the affable fire chief in the community of Fallen Leaf Lake, is serious about ... On a recent fall day, Carrie Thaler, U.S. Forest Service fire chief in the ...