Richard Nixon had a great influence and his impact is still apparent in much of US public life, says Stanley Kutler.

The US National Archives has released its last instalment of White House conversations that were secretly recorded by president Richard Nixon in the 1970s, a batch of tapes mainly highlighting domestic and foreign policy issues.

Sam Dash, the former chief Watergate counsel who became a household name in the 1970s died today after a lengthy illness, his family said. He was 79.