text: I'm not a lawyer either, but from what I've read about Marbury vs. Madison, the issue of judicial review was tangential but also consequential. Also, it seems judicial review is addressed in some detail in Article III of the Constitution and pretty much defines what the courts can review. Basically, the courts are authorized to review laws.
  As to lower courts erring in their decisions, the 9th Circuit seems to hold the record for reversals.
  Finally, I think President Trump acted entirely within his authority and within the law to issue restrictions on immigration and that Judge Robart and the other judges who placed temporary restraining orders on President Trumps executive directive exceeded their authority.