▽Freakonomics Blog - NYTimes.com ●11/22 13:50 Is Macy’s Thanksgiving Parade Its Most Valuable Asset?The 166-year-old chain, which is fighting extinction, calls the parade its “gift to the nation.” With 30 million TV viewers, it’s also a big moneymaker. At least we think it is — Macy’s is famously tight-lipped about parade economics. We try to loosen them up. (Part one of a two-part series.)Stadium Names, from The IndicatorHow did Florida I