* Esther Dyson: How Groupon could eventually kill its merchants

* Barksdale Ventures? Is The Wire creator David Simon about to make VCs look bad?

* Morning Call: U.S. futures point higher, London rises early, European shares climb and Japanese shares slip.

* Be sure to sign up for our daily Term Sheet emails!

* Michael Sebastian: The most overused words in press releases

* Lex: The real “insider” story is how well the system usually works

* Horace Dediu: How the American wireless market set itself up for a rout

* David Weidner: If you’re going to steal from Goldman Sachs, start at the top

* Is Jack Dorsey returning to Twitter as CEO? And, if so, who takes over at Square?

* AT&T-Mobile consequence: Blackstone (BX) inches closer to break-even on its old Deutsche Telekom investment

* Andrew Ross Sorkin says that the Fed’s clash with Bank of America (BAC) raises many questions. Here’s one more he doesn’t ask: Has DC soured on Brian Moynihan, and how much longer can he survive if BoA’s stock price remains stagnant?