Giuliani” and “bonkers” is redundant. But in addition to the valid points that @AaronBlake makes, there’s actually a 1993 Supreme Court case, Walter Nixon v US, that makes clear that courts can’t review Congressional decisions to impeach or convict.
The case involved an attempt by Walter Nixon to overturn a Senate judgment of conviction removing him from his federal judgeship. The Court held that conviction unreviewable. The same logic would certainly apply to a decision of the House to impeach.
law.cornell.edu/supremecourt/t…
law.cornell.edu/supremecourt/t…
Indeed, even more so, give that an impeached federal officer is entitled to a trial in the Senate—thereby obviating the need for judicial intervention even if it were otherwise permissible, which it isn’t.
