The Supreme Court ruled on Monday that a landmark civil rights law protects gay and transgender workers from workplace discrimination. We examine the three words the case hung on; what the written opinions had to say about bathrooms, locker rooms, sports, pronouns and religious objections to same-sex marriage; and the implications for the ruling. Guest: Adam Liptak, who covers the Supreme Court for The Times and Aimee Stephens, the lead plaintiff in a transgender discrimination case heard by the Supreme Court. Ms. Stephens died in May; she was 59. For more information on today’s episode, visit nytimes.com/thedaily  Background reading: Ms. Stephens was fired after she announced that she would live as a woman. She did not live to see the Supreme Court rule in her favor.Until Monday’s decision, it was legal in more than half of the states to fire workers for being gay, bisexual or transgender.The justices are confronting an unusually potent mix of political and social issues in the middle of both a presidential election year and a public health crisis. Here’s an overview of the major cases this year to get you up to speed.