Well I'll be darned

Which statement is true?

1. Middle Easterners migrated into Europe and taught agriculture to the indigenous people
2. Agriculture appeared in Europe because Middle Easterners, who knew how to do it, migrated there

The latest thinking is that #2 is correct:

http://isteve.blogspot.com/2010/10/are-europeans-all-middle-easterners.html

Hmmm... humanity spread from the Middle East into Europe.  Where have you heard that one before?