ON THE EVENING OF FEBRUARY 10, the board of directors of WETA-FM, the only commercial-free classical music station in Washington, D.C., voted overwhelmingly to eliminate its music and arts programming. At the end of this month, someone will flick a switch and--thud!--WETA will fall to earth as just another all-news, all-talk station, and the nation's capital will be left without a public radio station devoted to beautiful and intelligent music.WETA's transformation is a blow to the cultural life of the Washington metropolitan area, of course, which despite its succulent demographics in income and education levels has always struggled to maintain...