Jack White has been booked as the last-minute replacement musical guest for this weekend’s episode of Saturday Night Live.The weekly live variety show’s musical guest for this week had been set to be the country artist Morgan Wallen, but he was removed from the line-up earlier this week after video emerged of him not wearing a mask while attending a crowded house party.Speaking to NBC’s Today show earlier today (October 9), SNL creator Lorne Michaels confirmed that White will now perform on