Beginning its second season in the U.S., the British hit "The X Factor
" returns with two intriguing new factors of its own.Paula Abdul
and Nicole Scherzinger
have departed the panel of judges, opening slots for Britney Spears
and Demi Lovato
to join series mentor Simon Cowell
and his fellow returnee L.A. Reid
when the Fox talent competition launches its U.S. sophomore round Wednesday, Sept. 12, with an episode billed as the first half of ...