Obama's Apollo Moment as a Ringtoneby Vera H-C Chan What the saxophone did for Bill Clinton , might a ringtone do for Barack Obama? At a time of declining job ratings , the man who once fueled rock-star fervor got another shot of cool for crooning the 1972 tune "Let's Stay Together." His Apollo Theater singing performance lasted only a few notes, but that was enough to perk up the Twitterverse and online curiosity. Yahoo ...