Why did CNN IBN not telecast the footage of the cash for vote sting, which it is supposed to have possession of? Two theories are doing the rounds. One, that there was no conclusive evidence in it and the material was not good enough to use, and two, that Anil Ambani whose Reliance Capital has a financial stake in Network 18 leaned on owner Raghav Bahl not to use the footage meant to discredit Amar Singh.