This week Alanis Morissette took startling legal action against her former tour manager, accusing her of blackmail by trying to frame her for drug trafficking. The Canadian singer’s lawsuit in Los Angeles court called ex-tour manager Keren Urinov a “disgruntled” ex-employee and described how she allegedly attempted to extort her boss after she had been caught with drugs in her luggage while on tour in Europe, which then threatened to pin it on Morissette. It was a huge betrayal, but “You Learn” singer Morissette, 52, clearly didn’t — as she was previously embezzled out of millions by another manager. In 2017 Jonathan Todd Schwartz was…