As one presidential administration ends and another begins, law firms have begun reshuffling their decks. Government attorneys, including Solicitor General Donald Verrilli Jr., dominate our list of star laterals as they leave federal posts for private practice. Meanwhile, a raft of M&A rainmakers left elite Wall Street firms for other top firms. And the Supreme Court bar was recalibrated, as appellate boutique Bancroft PLLC joined forces with an Am Law 100 firm.