In 2013, Aimee Stephens watched her boss read a carefully worded letter.“I have felt imprisoned in a body that does not match my mind. And this has caused me great despair and loneliness,” she had written. “With the support of my loving wife, I have decided to become the person that my mind already is.”Ms. Stephens was fired after coming out as transgender. Now, she is the lead plaintiff in a Supreme Court case that will determine the employment rights of gay and transgender workers across the nation. Guests: Adam Liptak, who covers the Supreme Court for The New York Times, and Aimee Stephens, the lead plaintiff in the transgender discrimination case heard by the Supreme Court. For more information on today’s episode, visit nytimes.com/thedaily. Background reading: The forthcoming Supreme Court ruling hangs on justices’ interpretation of wording in the Civil Rights Act that prohibits employment discrimination “because of sex.”The case came to the Supreme Court from a federal appeals court, which found in favor of Ms. Stephens last year.