[FReepaholic]

Bookmarked that link for later reading. Thanks.

[winoneforthegipper]

NASA guru says:

http://www.foxnews.com/science/2013/02/15/russian-meteor-explosion-not-caused-by-asteroid-flyby-nasa-scientist-says/

Not associated with 2012 DA14 and it was not a sonic boom that caused the damage but the few meters wide Bolide exploding was.