The White House has warned Democrats against planned investigations of the Trump administration, claiming that such probes may amount to "blatant criminality," according to an Associated Press report by Darlene Superville published by PBS NewsHour. That report describes congressional investigations as a standard oversight function of Congress.
PBS NewsHour's account concerns the White House's response to the planned probes. A separate item in The Hill, an opinion piece by contributor Kim Wehle, takes up the broader setting. According to the summary of that piece, the country is preparing for congressional investigations and possibly impeachments, and the Supreme Court's majority, which the piece calls Trump-friendly, is poised again to put its thumb on the constitutional scale in two instances.
The Hill item is an opinion piece, so its characterizations reflect the author's views rather than reported findings. Its summary does not identify the two instances. The two sources address different parts of the dispute: PBS NewsHour covers the White House's warning, while The Hill piece addresses the Supreme Court. Neither summary reports a court ruling on the planned investigations.
Sources: The Hill: Democrats won - how much can they do now to restrain Trump?; PBS NewsHour: White House sends warning to Democrats about investigating the Trump administration.