The Minneapolis-based Children’s Theatre Company got three Tony nominations for “A Year With Frog and Toad.” The show’s 2003 Broadway run also “drew the attention of the makers of ‘Sesame Street,'” who asked the company “if there was any interest in putting together a musical from their popular children’s show.” The resulting adaptation, “Bert & Ernie, Goodnight!,” starts previews at CTC in September.