I'm being continually undermined by my line manager. What can I do?

Have you got a work-related problem? In a new series we invite you to send in a short description of your predicament – so that other readers can offer solutionsI work on projects with a high profile and lots of responsibility in the public sector, and my directors say I’m doing a good job. Yet I am consistently micro-managed and undermined by my line manager, who to everyone else seems friendly, affable, super-enthusiastic and cheerful – yet when she speaks to me there is unea