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b'What\\u2019s race, and what\\u2019s ethnicity? And are they different? And do they matter? Teacher Aviva Alvarez-Zakson is on hand to sort it. And us. Plus our ghost stories with special guest Roz Drezfalez. And... a very special House Band: Mr. Nils Lofgren!\\n\\n\\nGUESTs\\nAvivia\\xa0Alvarez-Zakson\\nHigh School teacher in Los Angeles\\n\\nRoz Drezfalez\\n\\nMUSICIAN\\nNils Lofgren\\nhttps://www.nilslofgren.com/\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'