"CBSN: On Assignment" airs Monday, August 14, at 10 p.m. ET/PT on CBS, and on our streaming network, CBSN.Instagram is on a mission to become the "kindest" place on the internet. With its latest technology, the company is working to tamp down on internet trolls. But does the groundbreaking technology go too far?Since its launch in 2010, Instagram has...