MONTREAL, Dec. 7 - Groupe Aeroplan Inc. (TSX: AER) today announced the completion of the acquisition of Carlson Marketing, a privately-owned marketing services provider headquartered in the United States. “We are pleased to officially welcome Carlson Marketing to Groupe Aeroplan. As stated, the combination of our companies positions Groupe Aeroplan as the global leader in loyalty management,” said Rupert Duchesne, President and CEO. “This acquisition provides immediate geographic diversification and accelerates Groupe....