www.LauraCaldwell.com A couple's best friend? Stylist Jessica Champlin knows it takes more than a darling goldendoodle to save a marriage. She and her ex-husband, investigative journalist Sebastian Hess, had too many irreconcilable differences for even their beloved dog, Baxter, to heal. So they've agreed to joint custody, and life has settled into a prickly normalcy. But when Baxter heroically rescues a child and the...