Regina Spektor emerged onto the stage of the Greek Theatre Wednesday night like a child at her first "grown up" party. Her flame-red hair hung in loose ringlets about her face, she wore a poofy white dress adorned with a cartoonish black bow, and her bright red lips suggested a slightly off-kilter leaning towards the naughty. When she spoke she seemed baffled and awed that so many people would don scarves and hats and sweaters to sit out under the stars on such a chilly October night just to see her. "Thank you," she repeated, when shouts of "I love you Regina!" or "Marry me!" or "Play 'Samson'!" gave her room to get a word in edgewise. But when she sang...

