"You don't list any employment since [a year or more ago]. Can you tell me why that gap exists?"
[How do you tell someone (who is employed) that they're too ****ing stupid to imagine what it's like to be between 40 and 60 and be one of twenty or more highly qualified, experienced people applying for each and every rare opening in the pharma/medical industry, an industry that has shed probably half of all its peak employment positions on a permanent basis?]
Answer: "I figured it was probably bad form to "Walmart Greeter" on my resume."