From the tallest skyscraper in the City of Brotherly Love to Canadian tourism copywriting brilliance, here's what you should know from our -ist cities: This week, Phillyist took a gleeful listen to the White Stripes' exciting new release, watched in awe as their new tallest skyscraper was finally completed, found a cheaper way to get to Gothamist, invented a tasty new dessert, and brought back their Craigslist Round-Up feature with a bang. Bostonist watches......

We're guessing most of you are hungover from St. Patrick's Day. We are too. But still, we're going to muddle on through our green haze and give you (drum roll please...) this Week In -ists. We start with SFist which broke the -ist record for comments with nearly 500 comments on a post about our Mayor's girlfriend. She responded back on charges that she's not a "girl's girl" and, whoo boy-- the floodgates? They......