The economy continues to rebound better than expected, what with Dow Jones mean streak of record setting highs this week. And today, very good news from the job market: employers added about 236,000 jobs in February, and unemployment tumbled to 7.7%. All this in spite of looming federal spending cuts and a recent payroll tax hike. Some economists say this is owing to the recent rebound of the housing market, which is adding a wide variety of jobs from a broad spectrum of different fields …