LOS ANGELES – The non-profit grassroots movement Kollaboration will celebrate its 15th anniversary with its annual Kollaboration Star talent showcase at the Wilshire Ebell Theater on November 15th. Kollaboration has become the leading platform for underrepresented Asian-American entertainers in mainstream entertainment. Comedian and Kollaboration cofounder Paul “PK” Kim commented on entertainment as a medium for promoting racial and social equality: “Art…