Feliks Banel previewing Friday's MOHAI memorial for Art Oberto // Kelyn Soong, WaPo, on how much exercise you get playing pickleball // Melissa Luck, KXLY, on the murder of four U. Idaho students // Dose of Kindness -- a life-saving stem cell donation // Gee Scott on disparities in violent crime assessments in Tacoma // Pam Falk live on the Russian-made missile that killed two people in Poland // Rachel Belle with the 5th generation of Emily Post's etiquette legacy