Conservatives are readying for battle as President Barack Obama stands poised to name a third justice to the Supreme Court and reshape it more than any president in recent history.

With four of the nine justices in their 70s – and a Democratic Congress that was strengthened with Tuesday’s elections – Obama can choose to maintain the delicate balance on the court – or tip it even further in the liberal direction.

The latter has conservatives most worried, especially with the court possibly hearing cases on campaign finance reform or same-sex marriage in future terms.

Curt Levey, president of the Committee for Justice, said conservatives are determined to prevent Obama from “giving us another Warren Court,” The Wall Street Journal reports.

A Republican appointed by President Dwight Eisenhower, the Warren Court returned such liberal decisions as the Brown v. Board of Education ruling in 1954, which abolished school segregation.

Levey has circulated emails with the headline “Obama Court Nightmares,” illustrated with a 1957 Time magazine cover featuring Warren, The Journal reports.

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