R.S.V.P. today for “Your Authentic Social Presence” with Mike Russell during the next Flagstaff Communicator’s monthly luncheon presentation from 11:30 a.m. to 1 p.m. Thursday, Sept. 8 at The Oakmont, 2380 N. Oakmont Dr. Flagstaff, AZ 86004. Russell, who manages the social media accounts for…