TY - JOUR T1 - Strategic shifts: Safeguarding the public interest? U.S. senators, 1971-86 AU - Bernstein, Robert A. PY - 1991 SP - 263 EP - 280 JO - Legislative Studies Quarterly VL - 16 IS - 2 SN - 0362-9805 UR - http://www.jstor.org/stable/439981 ER -