Tom Blair: Back on the road again…SDNN

BUSINESS TRIPPING: It’s difficult to write a city column when you’re out of your city — but not impossible. After six days on the road in the American South, I’ve discovered we all have more things in common than I thought. And, of course, we have Google, Twitter, Facebook, e-mail and the WWW to keep us in touch. Yesterday, in Roanoke, Virginia, weathercasters gave dire warnings of thunder,