January 6, 2012 .   ^ Terlep, Sharon (May 3, 2010). "GM To Take New Chevy Campaigns for a Spin" . The Wall Street Journal; abstract (for full article (subscription required) ) . http://online.wsj.com/article/SB10001424052748704608104575220144290856632.html ? . Retrieved July 3, 2010 .   ^ Schoenberger, Robert (August 12, 2010). "Ed Whitacre to