1) Grounds for non-justiciability:
1) Con’l constraints in Art. 3 (can only hear “cases and controversies”);
2) Congressional constraints under Art. 3;
3) Prudential restrictions: it can hear a case, but decides it would be a bad idea
2) Forms of non-justiciability
a) Advisory opinions not allowed
b) Lack of standing (must have a concrete stake in outcome)
c) Mootness (controversy not present anymore even though it was in the past)
d) Ripeness (controversy is not yet present even if it might be in future)
Political Question Doctrine-
A controversy is non-justiciable when:
Baker v. Carr (CSPDDE)
1. A textually demonstrable constitutional Commitment of the issue to a coordinate branch