"Were we a business, were we a mission, were we a public service, or were we a profit center?" Alan Rusbridger, former editor-in-chief of "The Guardian," grapples with the questions facing all newspapers in this new age where people "communicate horizontally" rather than via the old, vertical "tablet of stone model." He explains how "The Guardian" has not only survived but prospered and has surprisingly positive things to say about new media.