Common government of the economy comes together. In yesterday's column, I questioned the idea that Friday 7 May's eurozone summit would get 'economic governance' of the EU rolling. A few hours ahead of the meeting, I would like to remove the question mark because in a letter, the two most influential politicians attending the summit, Angela Merkel and Nicolas Sarkozy, along with the President of the European Commission, Jose Manuel Barroso, made it crystal clear that future eurozone...