SAN FRANCISCO The Sierra Club plans to shift millions in campaign cash from Congressional races to state and local campaigns this fall, a sign from the nation's oldest and largest environmental group that Washington is becoming less relevant to its cause. In an interview Tuesday with The Associated Press, Sierra Club Executive Director Carl Pope said his group is dedicating about a third of its anticipated $5 million to $10 million campaign fund to competitive state races this year. In past years, it has invested only 5 percent of its political money in state legislative campaigns. "We are putting 10...