Democrat Hillary Clinton's lead in the U.S. presidential race has narrowed slightly since the FBI said late last week it was reviewing new emails in its investigation of the former secretary of state, according to an opinion poll.

As Hillary Clinton presses for a return to the White House, so, too, does the Clinton inner circle — the family of aides and confidants that have at times strained the loyalty, patience and political judgment of the figures at its centre.

There’s two very different ways of looking at the recent announcement that the Federal Bureau of Investigation is probing new emails related to Hillary Clinton’s email server.