Those who dislike partisan politics at star-studded awards show have been warned in advance of Sunday night’s Grammy Awards, as producer Ken Ehrlich has made it clear that music’s biggest night will encourage politically-active artists to express themselves in any way they choose. “One of the tenets of our show is artistic freedom, and over the years we’ve shown we do believe in it,” Grammys producer Ken Ehrlich said this weekend in an interview. “How many more times do we need to hear ‘I’d like to thank my publicist, my agent, my wife and kids.’ The great acceptance speeches are...