* Ben Horowitz: How to fire an executive
* Om Malik on Jobs: The sound of silence
* Mark Buchanan: Too much market efficiency is dangerous
* Morning Call: U.S. futures are mixed, London rises early, European shares trim gains and the Nikkei gains 1.5% on auto surge.
* Doug Kass: Kill the quants before they kill us
* Swiss mess: Tracking assets in the Arab Spring
* CBO: Our July forecast is already antiquated
* Rafi Mohammed: Why Coca-Cola should raise prices
* John Carney: Does Bank of America’s share price matter?
* Pascal-Emmanuel Gobry: Why Dropbox is easily worth $5 billion
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* Fugative Moody’s analyst Deep Shah ordered to pay $35 million to SEC
* Tom Anderson: You will help Google+ succeed, whether you want to or not
* Shale slash: U.S. will cut estimate of undiscovered Marcellus Shale natural gas by 80%
* Steve Jobs introduces the Mac:
[youtube=http://www.youtube.com/watch?v=2B-XwPjn9YY]