Gore Launches Ambitious Advocacy Campaign on Climate By Juliet Eilperin Washington Post Staff Writer Monday, March 31, 2008; Page A04 Former vice president Al Gore will launch a three-year, $300 million campaign Wednesday aimed at mobilizing Americans to push for aggressive reductions in greenhouse gas emissions, a move that ranks as one of the most ambitious and costly public advocacy campaigns in U.S. history. The Alliance for Climate Protection's "we" campaign will employ online organizing and television advertisements on shows ranging from "American Idol" to "The Daily Show with Jon Stewart." It highlights the extent to which Americans' growing awareness of global warming has yet to translate into national policy changes, Gore said in an hour-long phone interview last week. He said the campaign, which Gore is helping to fund, was undertaken in large part because of his fear that U.S. lawmakers are unwilling to curb the...