Adele is gearing up to tour North America in support of her sophomore album 21, available on February 22.  The tour will kick off in Washington, DC on May 12 and run through June 20 in Nashville, TN.  Tickets go on sale to the public on Friday February 11 with a pre-sale beginning Wednesday February 9 at 12pm est/ 9am pst exclusively via www.Adele.tv.