* Meet the patents: What Yahoo is using to sue Facebook

* Bloomberg survey: 52% say private equity “mostly bad”

* Tim Carmody: The damning story behind “homeless hotspots”

* Facebook fallout: SEC nears charges against two private share brokerages

* Morning Call: U.S. futures point higher, London rises earlyEuropean shares climb and the Nikkei gains.

* VCs: Don’t launch start-ups at SXSW

* Tumblr of the Day: Visiting Egypt’s entrepreneurs

* Dan Baum: How doctors reinvented the human heart

* James Altucher: Takeaways from the Spanx billionaire

* Rick Rothacker: Will Citi be the surprise stress test winner?

* Kara Scannell: Whistleblowers drawn by tip-off payouts

* Ken Griffin: Super-rich have “insufficient influence” in politics


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