Quavo and his Rocket Foundation descended on Atlanta’s St. Regis last night to meet with the White House Office of Gun Violence Prevention at the Fortune Impact Initiative.Quavo’s ‘Takeover’ Racing Movie, a Live-Action and CGI Action Thriller With Billy Zane, Drops First Clip (EXCLUSIVE) The fireside chat, titled “Turning Pain Into Purpose: A Conversation on Gun Violence,” featured a panel discussing their experiences of losing a loved one to gun violence and what can be done to prevent it in the future. Moderated by Fortune Executive Editor Kristin Stoller, the panel included Greg Jackson, White House OGVP deputy director; Takeoff’s…