The Clinton Foundation on Wednesday defended its practice of accepting donations from overseas governments, amid concerns from some ethics experts that such contributions are inappropriate at a time when Hillary Clinton is preparing to run for president.

A Wall Street Journal review of donations to the Clinton Foundation in 2014 showed the charity received money from the United Arab Emirates, Saudi Arabia and Oman, among others. The donors included Canada’s foreign affairs department, which is promoting the Keystone XL pipeline.

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