Ronda Rousey has finally come clean about an incident from more than a decade ago in which she shared an online conspiracy theory video about the Sandy Hook school shooting tragedy. And it sounds like the former WWE star had been wanting to get the apology off of her chest for a very long time. In January 2013, about a month following the Dec. 14, 2012 shooting at Sandy Hook Elementary School in Newtown, CT that left 20 children and six adults dead, Rousey shared the vide...