No Joke: Britney Spears' Team Built the Temple of Obama in Denver

"We've done Britney's sets and a whole bunch of rock shows, but this was far more elaborate and complicated and we had to do it in far less time," said Allen, of RDA Entertainment. "The biggest challenge has been making sure we don't damage the playing field underneath." Asked who is harder to satisfy - the Democrats or Britney - Allen replied: "I better not answer that."