How to draft a legal memorandum in Susie Speeker V. South Bay County School District case. The memorandum must include the following authorities: Morse v. Frederick, 541 U.S. 393, 127 S.Ct. 2618, 168 L. Ed. 2d 290 (2007), Tinker v. Des Moines Independent Community School Dist., 393 U.S. 503, 89 S.Ct. 733, 21 L. Ed. 2d 731 (1969), U.S. Constitution Amend. 1, 42 U.S.C. 1983.