Analysis Straight Talk Africa:Olivier Nduhungirehe, Victoire Ingabire, Aristide Rwigara, and Claude Gatebuke. December 12, 2018 Share on Facebook Tweet on Twitter Guests included Olivier Nduhungirehe, Victoire Ingabire, Aristide Rwigara, and Claude Gatebuke. Olivier Nduhungirehe representing the government of Rwanda refused to comment and hung up abruptly as other guests started speaking.