Every day, the WGBH Media Library and Archives posts archival photos and video clips on its Facebook and Twitter feeds as a way to rekindle City of Boston memories from yesteryear. The Boston Business Journal went as far to say that the feed "can be firmly placed in the 'gems' category." From footage of the old Boston Garden to Bradlees department store to the elevated Orange Line pre-demolition, it's hard to argue. One thing that hasn't changed over the years? Traffic. Check out this clip captu