Romantic 'Ammonite' trailer feels like a distillation of yearning

Ammonite, a dramatic period piece set by the sea, couldn't be more romantic if it tried in its first trailer.

Based on a true story, the movie stars Kate Winslet as British paleontologist Mary Anning and Saoirse Ronan as Charlotte Murchison, a woman with "melancholia" whose husband has paid Anning to bring along as she...