[Atlantic Council] In the last week, several columns of rebel fighters have entered Chad from neighboring Libya with the intention of unseating long-time strongman and friend of the West Idriss Déby Itno, Chad's ruler for the past thirty years. Despite multiple claims by Chad's government spokesman that the rebel formation had been defeated, this weekend US, French, and UK embassies ordered withdrawals from their embassies or advised their nationals to leave immediately or shelter in place citing a likelihood of viole