“Everything else could in theory be reversed. [Trump’s] effect on the law will be profound,” writes The Economist:

.. No president has confirmed more federal appellate judges (12) in his first year than Donald Trump. He has also seen six federal district-court judges confirmed, and one Supreme Court justice, Neil Gorsuch. Another 47 nominees await confirmation; 102 more federal judgeships remain open for Mr Trump to fill. With two of the Supreme Court’s liberal justices, and its one unpredictable member (Anthony Kennedy) aged 79 or older, the president may get to name another justice, cementing the Court’s conservative bent.

Mr Trump’s tax reform, penchant for deregulation and foreign-policy direction could all be reversed by the next president. But because federal judges serve for life, the largely young conservatives whom Mr Trump has placed on the bench will have an impact on American life and law that long outlasts his administration.

The federal judiciary is organised into 12 regional circuits and the nine-member Supreme Court. Around 400,000 cases are filed yearly in the federal system, which has around 1,700 judges. Each of these circuits has several district courts (there are 94 in all), which hear civil and criminal federal cases, and one appellate court (there are 13: one for each circuit and the appellate court for the federal circuit), which hears appeals against decisions made by federal district courts and agencies. Because the Supreme Court hears so few cases, federal appellate courts define most contested matters of federal law.

Every president leaves his mark on the federal bench, but Mr Trump’s will be larger than most, for two reasons. First, Senate Republicans confirmed fewer judges in Barack Obama’s last two years (22) than in any two-year period since 1951-52. Mr Obama left office with 107 federal judgeships still vacant—including Mr Gorsuch’s seat, held open because Senate Republicans refused to give Merrick Garland, Mr Obama’s nominee, a hearing. This was more than twice the number George W. Bush had at his presidency’s end. Second, in 2013 Senate Democrats eliminated the filibuster for lower-court nominees, which means judges can be confirmed with a simple majority vote, rather than the 60 required to break a filibuster. For many conservatives, this opportunity alone—rather than fear of letting Hillary Clinton exploit it—justified their support for Mr Trump.

He has not disappointed. …

… Mr Trump has nominated orthodox conservatives whom the Republican-controlled Senate has happily confirmed.

During his campaign, Mr Trump promised that the judges he nominated would be “all picked by the Federalist Society”, America’s leading organisation of conservative and libertarian lawyers. Many of his nominees have ties to the group, as do Mr Gorsuch and Don McGahn, the president’s counsel. Mr McGahn told a Federalist Society gathering in November that the administration wanted to nominate “strong and smart judges…committed originalists and textualists [who] possess the fortitude to enforce the rule of law”. Mr Trump’s nominees, he crowed, “all have paper trails…there is nothing unknown about them.”

That list of qualities contains subtle digs at the two types of judges conservatives want to avoid. The first, embodied by David Souter, whom George H.W. Bush appointed, is the nominee with a thin record on constitutional issues who turns liberal on the bench. John Roberts, the current chief justice, exemplifies the second type: many conservatives deride him as a squishy institutionalist who caved in to public pressure when he twice voted to uphold the Affordable Care Act.

The maturing of the conservative legal movement, which was in its infancy when Mr Bush picked Mr Souter in 1990, and the strength of its pipeline and networks, has made wild-card nominees less likely, particularly under Mr Trump, who appears happy to be guided by the “Federalist people”. That does not mean, of course, that presidents know how judges will vote on each issue for ever. But Republican judicial nominees share a legal philosophy that is sceptical of executive and federal power and inclined towards “originalism”, which interprets the constitution’s meaning narrowly, as it would have been understood when it was written.

The Economist: “Donald Trump’s judicial appointments may prove his most enduring legacy.”

UPDATE (4/21):

Justice Neil Gorsuch has forbidden the deportation of a criminal under a law the Judge deemed “unconstitutionally vague.” What’s vague about a clause that states a burglary can turn violent/deadly and, by extension, a man who commits one?

That’s vague? Pathetic.