Once upon a time, Ted Kennedy could count on his daily dose of veneration. The right wing hated the Massachusetts Democrat, but progressives honored him as a defender of old-school liberalism. In a remarkable turnaround, liberals are now heaping scorn on the 73-year-old senator. Young audiences boo at his name, and the leftish "Daily Show" on Comedy Central makes fun of him. The source of unhappiness is Kennedy's efforts to kill an offshore wind farm on Nantucket Sound. Cape Wind was to be the first such project in the United States and a source of pride to environmentally minded New...