Lizzie O’Leary, hired as CNN’s aviation and regulation corespondent a year ago, is no longer with the network, TVNewser has learned. O’Leary joined CNN last January from Bloomberg where she was a Washington, D.C. correspondent. O’Leary had been on medical leave since last July, suffering from severe endometriosis. O’Leary decided it was best to move on as she fights the disease. O’Leary, who on a slow day Tweets hourly @lizzieohreally, has sent Tweets about endometriosis in hopes of raising awareness.