WASHINGTON — The Trump administration is considering narrowly defining gender as a biological, immutable condition determined by genitalia at birth, the most drastic move yet in a governmentwide effort to roll back recognition and protections of transgender people under federal civil rights law. ... the Department of Health and Human Services is spearheading an effort to establish a legal definition of sex under Title IX, the federal civil rights law that bans gender discrimination in education programs that receive government financial assistance, according to a memo obtained by The New York Times. The department argued in its memo that key...