On the bench sine 1995, the 58-year-old is considered a moderate liberal.

CNN: Souter news sets off succession speculation

In the debate over climate legislation in 2009 and 2010, it was conventional wisdom that a price on carbon was the sine qua non of effective climate policy.

FORBES: The Carbon Tax, Then and Now

Upstairs, in the control room, computer screens display colored sine waves that represent movements from various stations on the blade.

FORBES: Connect