A staff member with Sen. Rand Paul (R-KY) takes photos of her puppy Jefferson on a podium before a press Sen. Paul's FDA Modernization Act on Capitol Hill on October 07, 2021 in Washington, DC. Sen. Paul is introducing legislation that would end the FDA's mandate that experimental drugs must be tested on animals before they are used on humans in clinical trials. (Photo by Anna Moneymaker/Getty Images)
