 The staggered term limits of 18 years proposed by and would allow for a new appointment to the Court every two years, which in effect would allow every president at least two appointments.Carrington has argued that such a measure would not require a constitutional amendment as the "Constitution doesn’t even mention life tenure; it merely requires that justices serve during ‘good behaviour’ ".The idea was not without support among Judges, as John Roberts supported term limits before he was appointed to the Supreme Court as Chief Justice.