When Chris Martin and his Coldplay mates show up at the Grammys this weekend, they'll have fiercer predators to contend with than the normal cadre of paparazzi: process servers. Back in December, guitar virtuoso Joe Satriani filed a copyright infringement lawsuit against the British hitmakers, claiming they lifted a melody line from one of his songs for their Grammy-nominated hit 'Viva La Vida.' Satriani's attorney Howard King tells Fox News that the band has so far dodged getting served the legal papers, and that a big awards show like the Grammys seems like a perfect place to corner Martin and...