On rare occasions, a Supreme Court case raises such fundamental questions about the nature of our nation that it seems to require a unanimous decision by the justices. Brown v. Board of Education, striking down racially segregated schools, was such a case. Is the birthright citizenship challenge also one? When President Dwight Eisenhower in 1953 appointed Earl Warren, the former governor of California, chief justice of the United States, Warren inherited a divided and fractious court.