Harvard Square in Cambridge will be transformed into “Hogwarts Square” for what organizers call “the Best Harry Potter Party ever.” Beginning at 5 p.m. Friday, shops and restaurants around the square will feature special Harry Potter-themed menus, windows and events. The festivities end at midnight when “the need to read sends everyone on their merry way,” according to the Harvard Square website. US Potter fans mob Harvard Yard for ‘Wizard Rock’
