January 15, 2004 Rolling Stone Editor and Adobe Executive Put $800,000 Into Salon Web SiteBy DAVID CARR ann Wenner, the founder and editor of Rolling Stone magazine and chairman of Wenner Media, said yesterday that he would invest $200,000 in the Salon Media Group, the financially struggling Internet media company, and join its board. Also yesterday, Salon announced that John E. Warnock, co-chairman of Adobe Systems and a longtime financial backer, would invest an additional $600,000 in the Web company.As part of the alliance with Mr. Wenner, Salon and Rolling Stone, each known for liberal political leanings, will collaborate on...