VMA executive producer says Gaga’s commitment to her character raises the bar for future performers. By James Montgomery Britney Spears and Lady Gaga as Jo Calderone backstage at the 2011 VMAs Photo: Getty Images One of the breakout stars of the 2011 Video Music Awards was Jo Calderone , the smoke-spouting, slightly stained mechanic who stormed the big show to deliver a lengthy monologue about his former love Lady Gaga , and then launched into an epic performance of her current hit, “Yo
