And his secretary of state, Madeleine Albright, is not a dominant figure in the tradition of John Foster Dulles or Henry Kissinger.

ECONOMIST: Foreign policy

The Fed chairman is usually a dominant figure.

ECONOMIST: The Federal Reserve

The defence say Miss Pearson and her mother suffered from a syndrome called folie a deux which meant the older woman was the dominant figure in the relationship and Miss Pearson therefore had a reduced capacity to appreciate the risk to her mother's health or the conditions they lived in.

BBC: Angela Pearson had 'no idea' mother would die