U2 will announce the dates for their 2009 U2 Tour on March 9th on u2.com.  It is expected to be a mainly US tour with some European dates mixed in towards the end most likely.  U2 will also be promoting their new album all this week on the David Letterman show,, and GoTIckets will be posting the videos each day on their 2009 U2 page.  Check back, we’ll post the tour dates early if we get them!