GM's `Rock Star' Marketing Chief Resigns

July 30 (Bloomberg) -- Bloomberg's Tim Higgins reports on General Motors Co. Chief Marketing Officer Joel Ewanick's resignation, what it means to the company and what their potential marketing moves are going forward. He speaks on Bloomberg Television's "In The Loop."
Viewers Choice: Who Won the U.K.’s First TV Debate?
54:47 - U.K. Prime Minister David Cameron meets Labour Party leader Ed Miliband in the first major debate of the U.K.’s 2015 general-election campaign. Bloomberg’s Anna Edwards reports on “Countdown.” (Source: Bloomberg)
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