About David Tough David Tough teaches in the School for the Study of Canada at Trent University and is the author of The Terrific Engine: Income Taxation and the Modernization of the Canadian Political Imaginary. Books by David Tough Who Pays for Canada? Taxes and Fairness edited by E.A. Heaman & David Tough The Terrific Engine Income Taxation and the Modernization of the Canadian Political Imaginary by (author) David Tough