Two-thirds of the way into the pilot of Amazon Studios' The Marvelous Mrs. Maisel, there's a moment that underscores just how unflappable Rachel Brosnahan's uptown Jewish housewife heroine, Miriam 'Midge' Maisel, truly is. Her business suit-wearing wannabe stand-up hack of a husband, Joel (Michael Zegen), drops the news on the eve of what will be a very busy Yom Kippur (they got the Rabbi to come over, finally) that he's leaving Midge for his secretary Penny—and with his…