She added that the bill would not help "folks in Missouri who've been sick before and have a pre-existing condition, and older Missourians." At each event during her 2018 re-election bid campaign, McCaskill asked attendees with preexisting conditions to stand up, and vowed to keep in place health insurance protections for such individuals. Gun law McCaskill received an "F" rating from the National Rifle Association (NRA) for not supporting their view of Second Amendment rights and opposing all right-to-carry legislation. She voted for expanded background checks and co-sponsored the "Feinstein Amendment," a proposal that would have made it illegal for individuals on the terror watchlist to purchase guns. In January 2016, McCaskill was one of eighteen senators to sign a letter to Thad Cochran and Barbara Mikulski requesting that the Labor, Health and Education subcommittee hold a hearing on whether to allow the Centers for Disease Control and Prevention (CDC) to fund a study of gun violence and "the annual appropriations rider that some have interpreted as preventing it" with taxpayer dollars. The senators noted their support for taking steps "to fund gun-violence research, because only the United States government is in a position to establish an integrated public-health research agenda to understand the causes of gun violence and identify the most effective strategies for prevention." In June 2016, McCaskill participated in the Chris Murphy gun control filibuster and in a sit-in on the House floor urging votes for gun control. In response to the 2017 Las Vegas shooting, McCaskill co-sponsored a bill to ban bump stocks. Terrorism During a 2013 congressional hearing, McCaskill asked Homeland Security Secretary Janet Napolitano: "Based on the evidence at this point, is there any difference between Sandy Hook and Boston other than the choice of weapon?" McCaskill then urged Napolitano "to reevaluate when and how the federal government defines a criminal act as terrorism". #MeToo In October 2017, in the midst of a flurry of news reports about sexual assaults by politicians and other celebrities, McCaskill said on Meet the Press that while serving in the state legislature, she had asked the House Speaker, Bob F. Griffin, to discuss a bill she was sponsoring. "And I explained to him the bill I had, and did he have any advice for me on how I could get it out of committee?" McCaskill said. "And he looked at me, and he paused, and he said, 'Well,