Here are the ratings from September 7th where Olbermann beat O’Reilly in the 25-54 year old demographic. TV Newser reports: an NBC insider adds the big story here is that this is the first time Olbermann has beaten O’Reilly, not a substitute host, in the key demo. The insider adds, “KO has been trending in that direction for weeks.”

25-54 demographic: (LS) Total day: FNC: 192 | CNN: 189 | MSNBC: 141 | HLN: 98 | CNBC: 91 Prime: FNC: 296 | CNN: 255 | MSNBC: 262 | HLN: 162 | CNBC: 60 5p:6p:7p:8p:9p:10p:11p:FNCGibson: Hume: Shep: O’Reilly: H&C: Greta: O’Reilly: 134 184 195 324 283 280 295 CNNBlitzer: Dobbs: Blitzer: OutOpen: King: Cooper: Cooper: 172 195 172 231 300 233 268 MSNBCHardball: Tucker: Hardball: Countdo.: Investig.: Investig.: Investig: 137 106 158 365 184 238 305 HLNPrime: Prime: Beck: Grace: Beck: Grace: Showbiz: 74 81 120 249 92 145 114