The Air Force Academy is “in very preliminary discussions” with television host Ellen DeGeneres’ producers to do a show focusing on the academy, and possibly its first female superintendent. Academy Superintendent Lt. Gen. Michelle Johnson started the discussion on Feb. 18, when she tweeted an invitation to Colorado Springs — including an offer for a ride with the Thunderbirds — to three producers of The Ellen DeGeneres Show, Mary Connelly, Ed Glavin and Andy Lassner: https://twitter.com/USAFA_Supt/status/568131199450812416 In a Monday email, academy spokesman Meade Warthen said “we’re in very preliminary discussions” on a possible DeGeneres show, but that there were…