For the first time, Google Inc.’s YouTube streaming service is hosting a live Super Bowl halftime show of its own that will stream during the break of the NFL championship game on Feb. 1. Hosted by Harley Morenstein, Montreal-based creator of the Epic Meal Time web series, the halftime show will be live-streamed on the same Ad Blitz channel on which YouTube hosts its Super Bowl-related content, such as pregame and halftime advertisements from major brands as well as behind-the-scenes footage and other extra content. The company told Bloomberg News that the show will feature music, fake...