The pendulum swings both ways. Last year in Denver, it was Mayor John Hickenlooper proposing to replace the city's traditional "Merry Christmas" sign with one that said "Happy Holidays." The mayor wisely backed off in response to the public outcry, as did the Parade of Lights, this year, reversing its policy barring religious floats. Earlier this month, Speaker of the U.S. House Dennis Hastert, issued a directive instructing the architect of the Capitol to drop the name "Capitol Holiday Tree" - adopted in the late 1990s under the authority of no one who's now willing to admit to it -...