Tinker v. Des Moines Independent Community School District Tinker v. Des Moines Independent Community School District Tinker vs. Des Moines Independent School District Tinker v. Des Moines Independent Community School District Tinker v. Des Moines Independent Community School District Tinker v. Des Moines Independent Community School District http://law2.umkc.edu/faculty/projects/ftrials/firstamendm... has spoken strongly in favor of this principle Tinker v. Des Moines Independent Community School District