A cat watches the birds through a screened window. The birds seem unaware of his presence, though the window is open and they must be able to smell the cat. The cat, jerks his body to follow their hops and flights, his tail twitches. The cat is focused with a leopard sized attention on the birds. The cat is positioned to leap.
And yet, the cat does not lunge through the screen. He does not even touch the screen.
How or why he does not, is unclear to me. Just as it is unclear to me how one can continue accepting the propositions of ordinary media. How one believes again the prepositions on the platters proffered.