Good times are coming back to America. The Dow is flirting with pre-recession levels. US joblessness has fallen by more than 200,000 in each of the last two months, and the trend shows signs of persisting. And whatever the curmudgeonly groundhog from Punxsutawney says (six more weeks of winter), spring came early to America’s side of the Atlantic. While Europe was blanketed in snow, Washington had early daffodils.