Translate the following English sentence to French:
"Mr President, I would like to begin by warmly congratulating the European Commission and especially Commissioner Vitorino, on its extremely constructive legislative proposal on the issue of family reunification."
Monsieur le Président, je voudrais tout d' abord féliciter chaleureusement la Commission européenne, et en particulier le commissaire Vitorino, pour sa proposition législative très positive régissant la question du regroupement familial.