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Federal Judge James Boasberg, dubbed a "Radical left lunatic" by President Donald Trump, is presiding over several high-profile cases challenging actions made by the Trump administration, raising questions about how judges are assigned to cases.

The scrutiny comes as Boasberg, an Obama-appointed chief judge of the Washington, D.C. district court, oversees a challenge brought by several media outlets seeking to force the Justice Department to unseal the search warrant on the home of Rep. Ilhan Omar, D-Minn., stemming from two federal investigations.

"Judge James Boasberg is now involved with the Ilhan Omar case," Steve Ferguson, a self-described business owner with more than 250,000 followers on X, wrote in a social media post.…