For any current 'bible studies' and 'return visits', try this......

ThomasCovenant

Ask the Witness at your home whether he'll take up this challenge:
''You try and convince me JW's are the true religion using nothing but the Bible
and I'll try and convince you JW's are not the true religion using nothing but JW publications''
See how you get on
Thomas Covenant
Heaven

LOL! I LIKE it!
ThomasCovenant... you'll win hands down.
StAnn

excellent, excellent!
St. Ann
DaCheech

great catch, their best students are people that are in the dumps.... even a loss.
these people are usually desperate and have no reason to think logically
besty

Here's a more specific challenge:
"You prove Jerusalem was destroyed in 607BCE from the bible and secular sources and I'll prove it was destroyed in 587BCE using WTS publications."
http://www.jehovahs-witness.net/watchtower/bible/55372/1/586-587-the-K-I-S-S-approach-no-VAT4956-Ptolemy-Josephus-needed