 They questioned Alito extensively of his record on abortion, exercise of executive authority, his opinions on various legal issues while studying at  and his membership in the group there.
<meaning-changed>  They questioned Alito extensively of his record on abortion, exercise of executive authority, his opinions on various legal issues while studying at  and his membership in the group there.
 They questioned Alito extensively of his record on abortion, exercise of executive authority, his opinions on various legal issues while studying at Princeton University and his membership in the group there.