Eric Trump and Donald Trump Jr. told CNBC on the sidelines of the World Liberty Forum to explain why they think the U.S. needs an alternative to the dollar.

"The less attractive the dollar as a portfolio hedge, the more incentive there is to reduce dollar exposure," Deutsche Bank's George Saravelos said.

Former Republican congressional candidate Jennifer-Ruth Green used campaign funds to pay legal fees in her state ethics investigation.

Ghana’s currency weakened slightly against the dollar on Friday as demand for the greenback rose to pay for imports.