Q: I have a floor lamp that is at least 50 years old. The last time I turned it on, or at least when I last tried to turn it on, the pull chain broke off. Is this something I can repair myself or ...

The first rule of lamps is: There is no single right shade but plenty of wrong ones. Designers and lighting-store owners say customers agonize over finding the “perfect” shade. But any given base can ...