Richard Wade asked me about philosophical concepts atheists should know and about existentialism.
I replied by explaining theistic existentialism, atheistic existentialism, how atheists need to avoid reductionist traps, why atheists should not give up on philosophy out of frustration with sophistical theists, and how I would handle cosmological arguments for the existence of God much more swiftly and directly than usually is done.
You can read all this at The Friendly Atheist.
Also, speaking of Richard Wade, and interviews, in case you missed it I had a wonderful round of interviews with him:
This is the 11th of 24 hourly posts in my blogathon on behalf of the Secular Student Alliance! Please support the SSA!