Trump Ruling Darkens Presidential Shadow Over Justice Department

The Supreme Court’s decision easing Donald Trump’s path to escape prosecution also may have further emboldened him to leverage the Justice Department to exact revenge.

Chief Justice John Roberts tucked a brief passage inside his landmark presidential immunity ruling Monday that’s being interpreted by some as a license for the presumed Republican nominee to intervene in Justice Department investigations contrary to longstanding norms.

“The President may discuss potential investigations and prosecutions with his Attorney General and other Justice Department officials to carry out his constitutional duty to ‘take Care that the Laws be faithfully executed,’” Roberts wrote.

That sentence was ...