By Mia Rabson THE CANADIAN PRESS MONTREAL- One of the federal government’s top priorities for the year ahead involves attracting new international grocers to Canada to expand competition and drive down prices, Industry Minister Francois-Philippe Champagne said Sunday as a cabinet retreat was about to begin in Montreal. The entire federal cabinet is in the city for a three-day retreat ahead of the return of Parliament on Jan. 29 and the next federal budget expected later this winter. With cost-of-living issues still top of mind for Canadians, and signs in the polls that voters are growing ever crankier with the federal Liberals for being unable to provide much relief from rising prices, the ministers are trying to use the meeting to hone in on policies that may help. Food prices…