In a society struggling with economic turmoil, wars and swine flu, who could have predicted a debate would erupt about . . . clotheslines. In last Friday’s Home & Garden section, we wrote about whether clotheslines are eco-friendly throwbacks or home-devaluing eyesores. Online comments, blog debates, phone calls and e-mails indicate we struck a nerve with readers. Most were pro-clothesline. Here’s a sampling: