Washington Post's Dana Milbank with the scoop ! President Obama is just killing the progressive movement. For the past few years, liberal activists have gathered in Washington each spring for the Take Back America conference, where speaker after speaker -- Obama sometimes among them -- would give rollicking denunciations of the Bush administration before packed rooms of partisans. But now that Obama has actually taken back America, the activists at this year's gathering feel a bit like the dog that finally caught up with the car. Organizers changed the name from Take Back America to America's Future Now, but that didn't prevent a sharp decline in participation. Damn Obama; taking away the Left's thunder! What shall liberals and progressive do? How about...succeed? Less than 24 hours after President Obama announced the nomination of Judge Sonia Sotomayor to the Supreme Court, an alliance formed solely to push the appointment launched a six-figure ad buy on the major ...