The subpoena cases are among 10 the justices are hearing by telephone in a special May session that will include the first live broadcasts of Supreme Court arguments. The court announced the session this week as it tries to salvage its docket amid the Covid-19 outbreak.
Trump is challenging subpoenas from Congress and the Manhattan district attorney in cases that raise sweeping questions about investigations into alleged misconduct by the president. Trump is seeking to sharply limit Congress’s powers and give presidents immunity from state criminal probes while in office.
