Paris / Brussels, 08/03/2002 (Agence Europe) - In a preparatory working document for the Barcelona Summit disclosed on Friday in Paris, France said it was in favour of "controlled and gradual" opening of the gas and electricity markets, while stressing the need to take "general interest" into account. France points out that "harmonious development of these markets would not only result in a legal opening for competition, but also means guarantees for effective market opening throughout the...