The Vanier Sugar Festival is back for its 41st year at the Vanier Museoparc Sugar Shack, just five kilometres east of downtown Ottawa, with organizers expecting more than 8,000 visitors across the two-day free event this weekend. CTV's Kimberley Johnson reports that the more than 17-acre farm is the only sugar shack in Canada operating within the heart of a city, with its history dating back to 1936. New this year is the opportunity to taste fresh tree sap, with organizers noting it takes 40