As the summer comes to a close (as least north of the equator), temperatures are dropping and the leaves are beginning to change their hues. Leisurely strolls and bike rides that had become quite uncomfortable are options for relaxation once again. Speaking of bicycles, that's precisely where the cover story of this week's edition of our tablet mag focuses. Terrence O'Brien visits with Dan Sorger at his DBC City Bike workshop in Boston and discovers how -- with the help of designers, engineers, and medical professionals from institutions like MIT -- The Swift takes a beloved European-style bike and adapts it for
