Las Vegas (AFP) – The Foo Fighters won all three Grammys they were nominated for Sunday, just over a week after the rock band’s drummer Taylor Hawkins died unexpectedly. No one from the band appeared at the Grammys, though a tribute to the 50-year-old Hawkins — who was found dead in a hotel in Bogota shortly before a planned performance — is anticipated during the televised gala. On Sunday, the Foo Fighters won prizes for Best Rock Album, Best Rock Performance and Best Rock Song. The wins come just days after the group, founded by lead singer and former Nirvana drummer Dave Grohl, canceled a…