The real duties of an ambassador are to enter into or follow negotiations between his own government and that of the country to which he is accredited.

E. David Bruce may refer to:
David Bruce (brewer) (born 1948) founder of the Firkin Brewery pub chain
David Bruce (physician) (fl. Bruce (1898–1977) American diplomat
David Bruce (ice hockey) (born 1964) Canadian National Hockey League player
David Bruce (minister) (1824–1911) Presbyterian minister journalist.