Just as the Iliad and the Odyssey may provide all one needs to know about Ancient Greek mores and the Trojan War, the Macy’s Thanksgiving Day parade and Black Friday may provide all one needs to know about the values inherent in 21st century American consumerism and the Walmart Wars. Visiting my parents’ southern Californian home in Porter Ranch for Macy’s Day, I pull into a nearby shopping center after my two-hour drive north from mellow North County San Diego.  There’s always tension here.  It’s not just the holiday.  Sharply featured women wearing red-lipped grimaces threaten me with their waxed,…