The Super Bowl appears to be doing just fine without General Motors.CBS has sold
more than half of its ad allotment for the 2013 Super Bowl, according to
Advertising Age, and the early buys are being driven by other car manufacturers. (The story did not name them, however.)After
pulling its Facebook ads, GM raised more eyebrows by
skipping Super Bowl advertising for next year and officially announcing Thursday morning that its Chevy ...