http://reasonablefaith.org - Dr. William Lane Craig explains the fallacy of argument "ad hominem".
Grab a copy of Dr. Craig's new book "On Guard" to learn more about this and other arguments on how to defend your faith with reason and precision.
Recommended Book: http://www.amazon.com/Guard-Defending-Faith-Reason-Precision/dp/1434764885
One Minute Apologist Interview with William Lane Craig (playlist):
http://www.youtube.com/playlist?list=PL4BA3DD694EE87E80
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