Serious stuff may now begin. The Treaty of Nice was signed last week according to its merits, in other words, without fanfare. These merits, we know, do not lie in its contents, but in the two possibilities it opens up: politically rekindling accession negotiations (although there is nothing to say that it will facilitate the process) and triggering the wide-ranging debate on Europe's future, avoided for years. Now, serious stuff may begin. It's obvious that the "wide-ranging debate" will...