A Google spokesperson tells Phandroid that Glass is not coming to AT&T stores:
We have no plans to sell Glass in AT&T stores.
The rumor is started by Twitter user @evleaks who has over 175,000 followers:
AT&T USA will be one of the first retail locations to offer Google Glass for sale to the … – http://t.co/tKVcQMFWWB
— Evan Blass (@evleaks) June 9, 2014