Jurisprudence Photo illustration by Slate. Photos by Win McNamee/Getty Images and vacourts.gov. 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. Democrats are weighing their response to a dangerous Virginia Supreme Court ruling last week that struck down the new voter-approved election districts—a measure that would allow them to counter nationwide GOP gerrymandering. Democratic lawmakers have reportedly decided not to adopt a proposal to radically lower the mandatory judicial retirement age and choose new justices. Instead, they’ve  filed a quixotic appeal  to the U.S. Supreme Court, which is responsible for the torrent of GOP gerrymandering that’s sweeping the nation.…