Vester Flanagan's viral attack and mental health

On Thursday, August 27th, Yahoo News Live has the very latest on the deadly attack that killed two young journalists in Virginia. With Alison Parker's father vowing to do "whatever it takes" to see gun reform legislation passed in the United States, Yahoo News and Finance Anchor Bianna Golodryga speaks to Colin Goddard, a survivor of the Virginia Tech shooting. Plus, the Washington Post's Eric Wemple on Flanagan's videos going viral and what role social and traditional media should play in their distribution.