Jurisprudence Photo illustration by Slate. Photos by Kent Nishimura/AFP via Getty Images, Mandel Ngan/AFP via Getty Images, and Kevin Dietsch/Getty Images. Sign up for  Executive Dysfunction , a newsletter that highlights one under-the-radar story each week about how Trump is changing the law—or how the law is pushing back. You’ll also receive updates on the latest from Slate’s Jurisprudence team. The Department of Justice announced on Friday that it has dropped its investigation into Federal Reserve Chair Jerome Powell, after losing a major ruling in court last month. This is the latest chapter in President Donald Trump’s ongoing attempts to bully the Federal Reserve into manipulating interest rates on the president’s behalf. But the decision to drop these charges won’t just affect Jerome Powell, who likely remains as chair until May and on the board until 2028.…