May not be nationwide as in every single person but reports from LA, CA to NYC, NY are reporting outages currently. I'd consider that nationwide...my Xoom has no data in MD....
add virginia to that list its been down all day started at like 5 pm yesterday for a wile i had 3g but now for the last 45 mins nothing no 1x no 3g no 4g its like having a dumb phone again.