barry peterson and holly williams have been following the story.e begin with holly in istanbul. >> reporter: it's been a long, hard winter in istanbul. especially if you're a stray dog. one of thousands in this sprawling, middle eastern city. they live on the streets. dodging traffic and begging for scraps. dogs like valentine, a 1-year-old golden was found weak and undernourished. these two help run a rescue center in istanbul. where many of the dogs are golden retrievers. they told us they are bought as puppies, then people discard them after they discover they're big and energetic. >> they end up throwing hem away or giving them to shelters. >> reporter: how do the goldens do on the street? do they cope very well? >> they don't. >> reporter: golden retrievers are famously friendly and playful. i need the microphone. ah! the dog took the microphone! on the streets though, jess minujessamin told us they're often attacked by more aggressive dogs. these dogs are being sent to america and finding new what would happen to them if they, if you guys did

barry peterson is there. >> reporter: "guardian" newspaper reporter ben jacobs said the encounter with republican congressional candidate greg gianforte started like this. >> you were waiting to make your decision about health care until you saw the bill and it just came out -- >> yeah, we'll talk to you about that later. >> reporter: but it ended like this. >> i'm sick and tired of you guys! the last guy that came in here you did the same thing. get the hell out of here. >> you just body slammed me and broke my glasses. >> reporter: a campaign spokesperson said it was the reporter who grabbed gianforte's wrist calling it in a statement aggressive behavior from a liberal journalist. but alicia acuna, a reporter from the usually conservative fox news, was an eyewitness. >> gianforte grabbed him by the neck, both hands, slid him to the side, body slammed him and then got on top of him and started punching and then yelling at him. >> reporter: republican house speaker paul ryan did not endorse the candidate's actions. >> that is wrong and it should not have happened. i think he should apo