charles krauss says these images are supposed to make you react, maybe even recoil. >> it is provocativeat's what art is meant to do. art is meant to make people think. >> reporter: krauss, a former journalist, has felt the pain of a bullet wound. he was traveling with congressman leo ryan in jonestown in 1978. jim jones' followers opened fire on them on the airstrip, killing the congressman. >> i've been shot with a gun similar to the kinds of guns they used in newtown. >> reporter: 35 years later, this exhibit is a direct response to the newtown, connecticut, massacre and the gun control debate it has spawned. >> our trauma is spawned individually. >> reporter: this local artist did work that's called simply "lost." >> look for the light which comes from leonard cohen's wonderful piece "anthem." it talks about in every door there's a crack of light. from this dark loss we can look into the light and find the future. >> reporter: and for one artist, this debate is not for or against. >> i was brought up using guns. >> reporter: brian comes from a family of hunters in central pennsylvani

cynthia cooks for the doris krauss senior center, at old first presbyterian church in san francisco. the center offers free lunch, once a week, for 40 to 60 neighborhood seniors. >> i love cooking. my passion is cook. and it's kind of therapeutic for me. >> reporter: in this small industrial kitchen cynthia creates meals from scratch, comfort food on a tight budget. today's menu of meatloaf, salad, mashed potatoes and mushrooms and a holiday cake came to just under $120. but the look on her guests' faces is priceless. >> when i see seniors be happy, when they are served and they want --they come and get second helping, it just makes me feel so satisfied that i made seniors happy for at least one afternoon. >> reporter: cynthia a human resources consultant first signed up to help serve one monday when her church said they were low on volunteers. >> i had a day off. it was a holiday. and so i believe it was the labor day weekend. so i came and that was 10 years ago and i'm still here 10 years later. >> reporter: the center's director says many of the seniors are isolated and aren't abl