As evil Dr Caitlin Todd she has been bullying Emmerdale’s trainee doctor Jacob Gallagher so mercilessly that he reveals his ordeal to his shocked wife, Sarah, through anguished tears. And when Jacob (Joe-Warren Plant) goes to make a formal complaint at work, he’s informed that his tormentor got there first - submitting a dossier of damning evidence about him, including voice recordings. Caroline Harker, 60, who joined the soap last year, says she watched the behaviour of world leaders to fine