Richmond Times Dispatch: Leaders of faith communities urged Virginia Sens. Jim Webb and Mark R. Warner yesterday to endorse far-reaching climate change legislation as a moral imperative. The 100 clergy members from Virginia, representing various faiths, said legislation pending in the Senate should call for reducing greenhouse gas emissions by at least 25 percent below 1990 levels by 2020 and by 80 percent by 2050. The Senate may not take up the legislation this year. "In affirming the moral need for …