Our chief legal affairs correspondent, Adam Liptak, explains how two Supreme Court rulings on the firings of independent regulators first expand the power of the president, and then carve out an exception.

The court’s decision involving laws from West Virginia and Idaho has implications for 25 other states with similar restrictions on transgender female athletes joining women’s sports teams.

The justices blocked President Trump’s executive order that banned birthright citizenship for the children of undocumented immigrants and some temporary foreign visitors.