. >>> ronn owens underwent brain surgery today in san francisco to ease symptoms of parkin's disease. the surgery went beautifully and he's in recovery. >> what are you having done? >> just the normal thing, go in have a couple of holes drilled in to your head, have some wires put in. >> reporter: ronn owens kept his wicked sense of humor just hours before brain surgery in san francisco. i caught up with him to talk about the procedure called deep brain stimulation. his wife sent us pictures of ronn being prepped for surgery. he's been coping with parkinson's for 13 years. he only went public in 2007. he didn't warrant the surgent the surgery then, but need it is thousand. >> always hard to get upper things like that. and this is the time do it. >> reporter: neurosurgeon paul larsen performed the procedure. he's an investigator for the largest critical trial of parkinson's treatment through dbs right now in north america. dbs acts like a pacemaker for the brain usingpulses to areas in the brain. >> what are you hoping to get out of this? >> if it works, i get back five to seven years

ronn owens has been battling the disease for 13 years. his wife said yesterday's procedure went very well. the operation is called deep brain sometime place. cheryl jennings caught up with ronn owens and asked why he is sharing this battle with us. >> why do you want to make this public for other people? >> because i can help people i have gotten three e-mails from people who have parkinson's disease who would be eligible for the operation but they are nervous. they say if i can do it and come out well they will do it. >> ronn owens' wife sent these pictures while be prepared for surgery. >> 10 years and 2,600 shows later, jon stewart is calling it quits. here is more on the last go hosting "the daily show." >> this is it. >> 16 years after first wise crack as health of the show. >> welcome welcome, welcome. >> jon stewart signing off for the last time. >> you cannot possibly leave without saying goodbye to your sam. >> fans lining up outside of the comedy central studio in new york for horses just to be there for the final taping. >> do

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