Worth skimming: Ad Age’s 2003 Marketing 50. Profiles of the 50 marketers who brought you the “big brand success stories” of the year. The people are “interesting.” The list of brands, more so. Sierra Mist. Splenda. Trading Spaces. La-Z-Boy. LeBron James. Michelob Ultra. Bend it Like Beckham. Phat Farm. Grey Goose Vodka. 50 Cent. Special K Red Berries. Nokia 3650. Coach. Zocor. And more….