I came across this web site: I think it's excellent:
http://members.aol.com/_ht_a/smcdownlds/makesure.html
It's a page-by-page forensic dissection of WT teachings.
(Forget clicking on the link for the Course Index: Steve McRoberts, the author, has programmed it so you have to go through it one page at a time.)
Regards,
Ken