WINNIPEG – Pierre Blouin will step down from atop MTS Allstream later this year, and the search for his replacement is already underway, the company said Tuesday in a surprise announcement.Blouin, pictured, was named CEO in December 2005. Under his watch, MTS expanded its fibre-to-the-home network in 14 communities in Manitoba, grew Allstream's national network of connected buildings to over 3,000, acquired EPIC Information Solutions, and invested over $50 million to build a state-of-the-art commercial data centre in Winnipeg, enabling a new and lucrative portfolio of IT services for MTS Allstream for years to come, according to the company’s news...