just to begin the re-defense of 'knowledge is merely true belief': say you had some commitment to economy, ockham's razor, the simplest law-like explanation for apparently disparate phenomena. (that's supposedly stephen hawking's first criterion of theory choice, e.g.) don't you think you should see how far you can get with k=tb? not going to find a simpler among the proposed theories of knowledge, i believe (truly).
[nuthin, i just love this song.]