The Supreme Court said Tuesday that the Trump administration can begin immediately enforcing a ban on transgender service members in the military. The decision is a major victory for President Donald Trump in his effort to get the high court to unlock various parts of his second-term agenda that have been held up by lower courts reviewing scores of legal challenges to his policies.

The Supreme Court on Tuesday allowed President Trump’s administration to begin enforcing a ban on transgender troops serving openly in the military, undermining two lower court decisions and