Kate Hudson has her sights on the Oscars . Variety has confirmed exclusively that the star will campaign in the lead actress category for her upcoming performance in Craig Brewer’s biographical music drama “ Song Sung Blue ,” marking a potential return to the Oscars 25 years after her breakthrough role in “Almost Famous” (2000). The news positions Hudson as part of Focus Features’ formidable awards season slate, which already includes Jessie Buckley for the emotional drama “Hamnet” and Emma