HURRAY FOR THE RIFF RAFF The Factory, March 26 If we’re going to start a revolution, or at least an insurrection, it should be as entertaining as this. “Power to the people,” said songwriter/singer/activist Alynda Lee Segarra frequently, a message a surprising number of people chose to interpret as power to the people to dance like no one is watching. There were some issues with this show that cramped, or crimped, complete satisfaction - of which more soon - but what was not