Article continues below advertisementCharlie Kirk's wife, Erika, has spoken out for the first time since her husband was assassinated on Wednesday, September 10.In a livestream on the right-wing political activist's "The Charlie Kirk Show" YouTube channel, Erika stood beside her husband's desk inside of his recording room and delivered an emotional tribute to her slain spouse."You have no idea the fire you have ignited within his wife, the cries of this widow will echo around the world like a battle cry," the mother of Charlie's two children said on Friday night, September 12.