Home UNITED STATES – OCTOBER 4: Sen. Dianne Feinstein, D-Calif., and Sen. Richard Blumenthal, D-Conn., hold a news conference in the Capitol on Wednesday, Oct. 4, 2017, to introduce legislation to ban the sale and possession of bump-stock equipment used to turn a semiautomatic weapon into an automatic one. (Photo By Bill Clark/CQ Roll Call) UNITED STATES - OCTOBER 4: Sen. Dianne Feinstein, D-Calif., and Sen. Richard Blumenthal, D-Conn., hold a news conference in the Capitol on Wednesday, Oct. 4, 2017, to introduce legislation to ban the sale and possession of bump-stock equipment used to turn a semiautomatic weapon into an automatic one. (Photo By Bill Clark/CQ Roll Call)

UNITED STATES – OCTOBER 4: Sen. Dianne Feinstein, D-Calif., and Sen. Richard Blumenthal, D-Conn., hold a news conference in the Capitol on Wednesday, Oct. 4, 2017, to introduce legislation to ban the sale and possession of bump-stock equipment used to turn a semiautomatic weapon into an automatic one. (Photo By Bill Clark/CQ Roll Call)

UNITED STATES – OCTOBER 4: Sen. Dianne Feinstein, D-Calif., and Sen. Richard Blumenthal, D-Conn., hold a news conference in the Capitol on Wednesday, Oct. 4, 2017, to introduce legislation to ban the sale and possession of bump-stock equipment used to turn a semiautomatic weapon into an automatic one. (Photo By Bill Clark/CQ Roll Call)

American politician Dianne Feinstein, the first female president of the San Francisco Board of Supervisors, at San Francisco City Hall in San Francisco, California, 28th September 1971. (Photo by Bettmann Archive/Getty Images)