John Legend wasted no time getting into the election year spirit with a political ad targeted at rival coach Blake Shelton.The two were facing off over Jim Ranger, a pastor from Bakersfield, California, who wowed the panel with his performance of Keith Urban's «Blue Ain't Your Color.» Blake, John and Gwen Stefani all turned their chairs, but John was immediately prepared to make his case.«Jim, you don't want to work with Blake.