The exhibit explores what made the world fall in love with East LA native Richard “Cheech” Marin and Canadian Tommy Chong while chronicling the development and success of their first feature-length film, Up in Smoke. Items on display will include the original marked-up script from Up in Smoke, the master tape for the soundtrack album, and comedy sketches.   Mondays – Fridays 10:30 a.m. – 6:30 p.m. Saturdays & Sundays 10:00 a.m. – 6:30 p.m. Adults – $12.95, College Students…