She has also published two collections of her columns, Chroniques politiques (Boreal, 1985) and L'esprit de contradiction (Boreal, 2010).
In her columns, Gagnon takes positions in regards to federalism and feminism.
Some argue that she is a prominent defender of Israel (Of all Quebec's francophone columnists).
She has written extensively about the need to protect the French language in Quebec and Canada.