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During the 2000 spring break , Roberts lived at the Shushwap Indian Reserve in British Columbia , where she volunteered at the Shushwap school and assisted in other service activities . " He declined to answer specific questions about abortion and voting rights , citing cases he could face on the high court.The heart of the abortion ruling is " settled as a precedent of the court , entitled to respect under principles of stare decisis , " the concept that long-established rulings should be given extra weight , Roberts told the Senate Judiciary Committee on the second day of his confirmation hearings.President Bush 's choice to succeed the late William H. Rehnquist as chief justice , Roberts focused on a 1992 Supreme Court ruling in Casey v. Planned Parenthood , referring to that as a precedent-setting case in addition to the 1973 Roe v. Wade ruling.In the Pennsylvania case , the Supreme Court voted 5-4 to uphold the core holdings of Roe v. Wade and ban states from outlawing most abortions . As the Principal Deputy Solicitor General in the Reagan administration , Roberts co-authored a brief arguing , " Roe was wrongly decided and should be overruled . Partly due to his Quaker upbringing , Roberts said he felt it was his obligation to participate in university governance almost from the beginning . After receiving second place last year , Roberts said , " we were more aggressive in educating staff and employees this year .