If Tuesday was all about romantic devotion Thursday demonstrated the benefits of decoupling. Across the Atlantic  Spain heads inexorably into recession Italy is already in one and Greece still stares at the abyss no matter how artfully its Titanic deck chairs are shuffled. Yet in America ignoring all those dire developments appears as easy as 123 the amount Dow Industrials (^DJI) rose to take it to a near four-year peak. The Nasdaq (^IXIC) now stands at its loftiest level since December 2000 and the S&P 500 Index (^GSPC) is at a nine-month best. Stocks rebounded from their worst showing of 2012 to post ...