Did Sophie Grégoire Trudeau and Meghan Markle have a falling out? Though the Duchess of Sussex raved over their friendship on an episode of her “Archetypes” podcast, The Sunday Times writer Louise Callaghan noted than when it comes to Trudeau talking about the mom-of-two, “She does not gush back.” “I know her,” the estranged wife of Canada’s prime minister Justin Trudeau simply said when asked about Meghan. Louise claimed Sophie explained that she hasn’t spent that much time Meghan, and Sophie then changed the subject to Kate Middleton’s cancer diagnosis. “My heart just sunk when I saw what wa…