How is that related to political speech? Bongs Hits 4 Jesus is not a political statement.

You are right however in the decision Alito and Kennedy both noted that this decision COULD be applied to political speech. Not necessarily that that would be a good thing. My point is that they can literally point to the vulgarity as the cause of the punishment and not the full statement given Morse.

Also, that was by the school and part of a big event, not completely unrelated to school and not during school hours like calling your representative.

Pretty sure he called during the school walk out which was during school hours though not a school sanctioned event.

By all appearances, this is a clear first amendment violation just like Tinker v. Des Moines

I strongly believe the school district screwed up here and additional information coming out about his activities may color the issue in the students favor but I don't think it's that clear cut.