* Moody’s: LBO debt exchanges won’t help in the long term
* Mike Butcher: Britain beats the U.S. to a tech-friendly startup visa
* Flashback: In 1989, Michael Lewis wrote about how a Japanese earthquake could devastate Wall Street
* Morning Call: U.S. futures point higher, London rises early, European shares rebound and the Nikkei loses 1.4%.
* Did someone just ruin Foursquare for Brad Feld?
* Twitter to San Francisco: Give us a tax break or we leave
* Izabella Kaminska: Chinese fuel publicity stunts in action?
* Felix Salmon: Are Internet startups disrupting the banking system?
* Bloomberg: Market volatility is causing all sorts of sales to be postponed
* Barbara Hagerty: Following the tsunami, some Japanese are returning to ancient rituals
* Genevieve Thiers: “I was literally laughed out of the room by VCs”
* Life after Rattner: Lazard agrees to take over the Foursquare conference (which has nothing to do with mobile geolocation)
* Reuters says that “KKR seeks new capital sources for next buyout fund.” Translation: We can’t get enough money from our existing capital sources.