* Steven Davidoff: The MAC is back, but is it a deal-killer?
* Will Price: Why can’t venture capital follow the Tiger model?
* Pre-IPO jitters: Groupon lays off more than 150 employees in China
* Morning Call: U.S. futures point lower, London rises on miners, European shares retreat and the Nikkei slips.
* Wired flashback: Top 5 ways to create a man-made earthquake
* Bruce Bartlett: The rich can afford to pay more taxes
* Underwhelming: Brightcove files for $50 million IPO
* Steve Dickman: How Google+ could transform healthcare
* Obvious: “Lift” is the first new project for Twitter’s co-founders
* Video: Carly Fiorina gives tentative thumbs-up to HP move
* Neil Irwin: Bernanke won’t shock and awe from Jackson Hole
* Mish Shedlock: Dick Bove is dreaming if he thinks BoA has enough capital
* Tweet of the Day: @TPCarney Krugman says it wasn’t big enough.
* Tweet of the Day #2: @TheTweetOfGod: There was just 6.0 earthquake in Washington. Obama wanted it to be 3.4, but the Republicans wanted 6.0, so he compromised