What is the Biblical basis for saying Christians are "friends of God"? I've heard Christians say that an appropriate title for a Christian is, "friend of God." I've also heard preachers (e.g. Beth Moore) say that this is inappropriate: only certain people (Abraham and the Disciples) can be called friends of God.

What is the Biblical basis for saying modern Christians are generally "friends of God"?
I believe we can be friends of God.  (And not just because I'm a fan of the song)

Jesus tells us if we do what he commands we are his friends.


  John 15:13-15 NIV
  13 Greater love has no
  one than this: to lay down one’s life for one’s friends. 14 You are my
  friends if you do what I command. 15 I no longer call you servants,
  because a servant does not know his master’s business. Instead, I have
  called you friends, for everything that I learned from my Father I
  have made known to you.