Because he and his employers do not have the guts to make those tapes public.
However, those tapes have little or no value at all after what the darshaks saw "live" drama taking place at the well of the House.
Handing over the tapes to a dumb bell like Somu is another dumb action by this media.
Somu the speaker should not only resign from the post of the Speaker of a highly infected House, but also resign from its membership if any scruple is left in his fat head at all.
As a matter of fact the Rashtrapati Bhavan can take some severe measure.
However, as an anticipatory bail, the dirtiest politician of them all has installed a barbie doll in the Rashtrapati Bhavan.
So the people of Bharatvarsh are at the mercy of Almighty and the UPA thugs.
The most important question is what our democratic machinery can do under the filthiest circumstances that took place so unashamedly on that most unfortunate event in the parliamentary history of Bharatvarsh.