In episode 320 of Total Retail Talks, Editor-in-Chief Joe Keenan interviews Christine Grasser, manager of corporate communications, giving and volunteerism, and Sam Di Scipio, vice president of corporate communications, giving and volunteerism at Macy's. Grasser and Di Scipio discuss Macy's recent partnership with the National Retail Federation Foundation's RISE Up training and credentialing program, and how the…