Graham set out strict rules to keep his ministry from having any whiff of impropriety. That broad philosophy could be useful to White Houses. Stephen Chernin/Getty Images hide caption

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Former President Bill Clinton plays with balloons onstage at the end of the fourth day of the Democratic National Convention at the Wells Fargo Center in Philadelphia in July. Aaron P. Bernstein/Getty Images hide caption

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Hillary Clinton chats with Goldman Sachs Chairman and CEO Lloyd Blankfein onstage during a panel discussion in 2014 of the Clinton Foundation's Clinton Global Initiative. Mark Lennihan/AP hide caption

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Mark Lennihan/AP

There's Really No Comparison Between The Trump And Clinton Foundations

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Hillary Clinton has defended the Clinton Foundation against allegations that it was a front for a "pay to play" scheme while she was secretary of state. Scott Eisen/AP hide caption

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Scott Eisen/AP

'Saving Lives' Or 'Selling Access'? Explaining The Clinton Foundation

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Democratic presidential nominee Hillary Clinton takes the stage at the Democratic National Convention in Philadelphia Wednesday night following President Obama's speech. Bill Clark/CQ-Roll Call Group via Getty Images hide caption

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Bill Clark/CQ-Roll Call Group via Getty Images

Former President Clinton defended Hillary Clinton's career during his speech at the Democratic National Convention on Tuesday, the night she formally became the party's presidential nominee. Chip Somodevilla/Getty Images hide caption

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Hillary Clinton addresses the U.S. Conference of Mayors on June 26. Clinton discussed her vision for American cities, but issues like that have been overshadowed by her email scandal. Aaron P. Bernstein/Getty Images hide caption

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Aaron P. Bernstein/Getty Images

Democratic presidential candidate Hillary Clinton greets her husband, former president Bill Clinton, during a presidential primary election night rally on June 7 in New York. Julie Jacobson/AP hide caption

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Attorney General Loretta E. Lynch speaks at a June 22 news conference in Washington. Allison Shelley/Getty Images hide caption

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Allison Shelley/Getty Images

Attorney General Loretta Lynch, Bill Clinton Met Amid Email Investigation

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Shiman Shan (left) and Brenda Nguyen canvassed voters for the Bernie Sanders campaign in a New York City neighborhood with a growing Chinese-American community. Hansi Lo Wang/NPR hide caption

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Hansi Lo Wang/NPR

In Close Race, 'Unprecedented' Push For Asian-American Voters Comes To N.Y.

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