A few days after the 2004 election, America Coming Together, the giant pro-Democratic voter turnout group that had raised about $200 million from George Soros, Peter Lewis, and a variety of Hollywood moguls, released a list of its accomplishments. Obviously, ACT, as big as it was, had not put John Kerry over the top, but the group had "held conversations at 4.6 million doorsteps about the truth about the Iraq war, about the state of our healthcare system, about the economy." It had registered half-a-million new voters. In the last days of the campaign it had made 23 million phone...