Just when we thought things were beginning to look up for Oprah Winfrey, her highly successful magazine takes a fall. According to a new report, O, The Oprah Magazine is down millions of dollars in advertising sales in comparison to last year. The Association of Magazine Media reports that ad sale revenue for O, The Oprah Magazine was $48.8 million in 2011. However, this year ad sales are at a low of $34.2 million, which translates to a decrease of 24.1 percent. The magazine's newsstand sales have also been declining as of late. According to the Audit Bureau of Circulations,...