Article continues below advertisementJessica Mulroney is worried about how her "powerful" ex-friend Meghan Markle would react as she considers writing a tell-all memoir, a new report revealed."Meghan still has a lot of eyes and ears in Canada. I suspect Jessica is not sure what to do [with what she knows]," a source close to Mulroney told a news outlet on Tuesday, September 23. "Meghan is still pretty powerful and they have a lot of people in common." The insider explained, "She is probably biding her time.