CBC NEWS’ CONSUMER AFFAIRS program Marketplace is marking its 50th anniversary this month and will kick off its new season on Friday, Oct. 7 at 8 p.m. (8:30 NT) with a special one-hour broadcast, Celebrating Marketplace’s 50th Season, on CBC TV and CBC Gem. Known for its investigations of popular products and services, Marketplace first premiered on Oct. 5, 1972, with co-hosts Joan Watson and George Finstad exploring the rising cost of food in Canada, a topic familiar to today’s viewers. “Using innovative testing and hidden cameras, a team of investigative journalists fights for transparency and change in industries across...