 Sotomayor 's first major written opinion was a dissent in the Berghuis v. Thompkins case dealing with Miranda rights . As her first year neared completion , Sotomayor said she felt swamped by the intensity and heavy workload of the job . During the oral arguments for National Federation of Independent Business v. Sebelius , Sotomayor showed her increasing familiarity with the Court and its protocols by directing the opening questions of the arguments to Donald Verrilli , the Solicitor General who was representing the government 's position . 
