Hogwarts is once again bustling with activity as a new term begins. HBO's highly anticipated "Harry Potter" TV series, set to bring J.K. Rowling's magical world back to life, has commenced production at Warner Bros. Studios Leavesden in the UK. The start of filming marks almost 14 years since "Harry Potter and the Deathly Hallows: Part 2" wrapped up Harry's cinematic journey. The...