WASHINGTON - A political party is dying before our eyes — and I don't mean the Democrats. I'm talking about the "mainstream media," which is being destroyed by the opposition (or worse, the casual disdain) of George Bush's Republican Party; by competition from other news outlets (led by the internet and Fox's canny Roger Ailes); and by its own fraying journalistic standards. At the height of its power, the AMMP (the American Mainstream Media Party) helped validate the civil rights movement, end a war and oust a power-mad president. But all that is ancient history. Now the AMMP is reeling,...