Hundreds of lawsuits have been filed over the Trump administration’s top policies. WSJ’s Louise Radnofsky looks at five of the fastest-moving court fights, from tariffs to the Federal Reserve, that could redefine the limits of White House authority.

The Supreme Court on Thursday okayed the Trump administration requirement that gender designations on U.S. passports match an individual's sex assigned at birth. Why it matters: The decision marks the latest victory for the administration,