In Manitoba's Wheat City, uncertainty over tariffs is causing frustration for everyone

Open this photo in gallery: Ian Grossart checks on cattle at his farm just south of Brandon, Man., on April 3.Shannon VanRaes/The Globe and Mail Standing outside his home on the eastern edge of Brandon Hills in Manitoba, Ian Grossart is trying not to panic: He has no idea what comes next for the grain and cattle farm he runs with Linda, his wife, and their son Zach. Fears of a global trade war have loomed over the family's dinner-table conversations for months. "You're supposed to plan years in advance for crops and contracts," said Mr. Grossart, whose Howpark Farms…