(The Center Square) - A nonpartisan oversight organization filed a Senate ethics complaint on Wednesday against U.S. Sen. Ruben Gallego, D-Arizona, over a social media statement he made about President Donald Trump and campaign spending, The Center Square has learned.

The Center to Advance Security in America, in a letter to the U.S. Senate Select Committee on Ethics, asked it to investigate Gallego “due to his defamation of President Trump and recent reports that Gallego is likely abusing campaign funds for personal entertainment and family purposes.”

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