The experience of Venezuelans under the late President Hugo Chavez offers a cautionary tale to the United States about where packing the Supreme Court can lead. Last fall, then-presidential candidate Joe Biden refused to answer whether he would support adding justices to the Supreme Court and now has established a commission to review the proposal and other issues concerning judicial reform. One need look no further than Venezuela’s recent history for the devastating impact on liberty such a move could have. “In 2004, Chavez’s allies held a majority in Venezuela’s National Assembly (congress), passing a law that increased the number...