The novelist Harper Lee has apparently broken a 50 year silence and consented to be interviewed for a new biography of her by Marja Mills. Major international literary news sensation. So how’d you like to be the Boston Children’s Theatre company, sitting pretty with a new adaptation of To Kill a Mockingbird slated for performances May 7-15? Mary Badham, who appeared in the film version of the novel, is slated to make an appearance during the run.