NRSC, Steve Daines back Trump in SCOTUS amicus brief, warn of 'slippery slope' for future presidents

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FIRST ON FOX: The National Republican Senatorial Committee and Chairman Steve Daines, R-Mont., filed an amicus brief on Tuesday in support of former President Donald Trump's presidential immunity appeal to the Supreme Court in the federal election interference case against him.

Trump's attorneys in the federal case filed a brief on Tuesday on the matter, detailing the legal argument they plan to pursue during oral arguments before the court on April 25.

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According to Trump's defense, without the Supreme Court upholding a president's right to immunity, it would "incapacitate every future President with de facto blackmail and extortion while in office, and condemn him to years of post-office trauma at the hands of political opponents."

In the amicus brief, obtained by Fox News Digital, Daines and the NRSC slammed the D.C. Circuit Court's opinion in its rejection of Trump's immunity claim, calling the decision "akin to a loaded gun lying on the table that future litigants can now wield against Presidents (and former Presidents) of all political persuasions."

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"The role of holding Presidents accountable for their actions in office lies with Congress,