Hover over a line to see past, current and future relationships, drag dots to rearrange. Hillary Clinton is poised to announce her second presidential bid but questions about her ethically ambiguous blend of money, access and power will dog her through the campaign. The links between her Clinton Foundation charity, her work as secretary of state, and her political ambitions are multitudinous and tangled. Lurking behind the campaign launch is last month's stunning news that Clinton set up a secret email account and server to use for official business and has since destroyed emails on it that were wanted by...