Epicurus:
Is God willing to prevent evil, but not able? Then he is not omnipotent. Is he able, but not willing? Then he is malevolent. Is he both able and willing? Then whence cometh evil? Is he neither able nor willing? Then why call him God?
Dan Barker (born June 25, 1949) is a prominent American atheist activist who served as a Christian preacher and musician for 19 years but left Christianity in 1984.
Christianity in a Nutshell. Seriously, under two minutes.
The full talk from Dan Barker . . . enjoy!