The ICOC - International Church of Christ is in no way associated with the Churches of Christ. The Churches of Christ are each independent receiving oversight from designated elders in the congregation. There is no governing board of all Churches of Christ.
Yes it is. Where do you think Kip McKean came from? From a mainline Church of Christ in Gainesville, Florida.
Did you even check out my link:
http://www.reveal.org
I know because I was a member of both.