COSTA MESA – Singer Don Henley drew a chorus of boos from fans at the Pacific Amphitheatre after he made several political comments between songs during his concert Thursday night, becoming the latest performer to elicit such a negative reaction ... Henley, referring to that incident Thursday night, began a sentence with, "Given what my good friend Linda Ronstadt ," but was silenced as the amphitheatre erupted in boos. He responded: "Whoops - Orange County," adding, "We used to be able to have civil debate in this country Not anymore." ... Henley then suggested his next song could be a...