Margaret is passionately committed to animal rights. at an evening lecture required for her biology class, she learned that the title of the speaker's talk was "the importance of animal experimentation to medical advances." offended and sure that the speaker had nothing ethical or interesting to say, margaret ignored everything the speaker said and spent the whole lecture sending outraged tweets to other animal activists. the primary cause of margaret's poor listening was

Hegyes was driving her car when it was negligently struck by a unjian enterprises truck. she was injured, and an implant was placed in her body to counteract the injuries. she sued unjian, and the case was settled. two years later hegyes became pregnant. the growing fetus pressed against the implant, making it necessary for her doctor to deliver the child 51 days prematurely by cesarean section. because of its premature birth, the child had a breathing handicap. suit was brought against unjian enterprises for the harm sustained by the child. was the defendant liable?