* Tarnished: Bob Diamond quits as Barclays CEO
* Oops: Microsoft’s $6 billion mistake
* Nicholas Shaxson: Where Mitt Romney’s money lives
* Morning Call: U.S. futures mixed, European shares climb and the Nikkei soars.
* Big gas: Chesapeake’s 1% tax rate
* Uh oh: Manufacturing slump reaches U.S.
* John Herrman: Maybe it’s time to own a real camera again
* Colin Read: Wall Street quants owe a debt to obscure French student
* Brian O’Malley: Has subscription commerce already jumped the shark?
* Smartest guy in the room: Exxon CEO slams “lazy” media, “illiterate” public
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