Sen. Cory Booker, D-N.J., asks a question of the chairman during the confirmation hearing for Supreme Court nominee Brett Kavanaugh, during the Senate Judiciary Committee confirmation hearing on Capitol Hill, Tuesday, Sept. 4, 2018, in Washington. (AP Photo/Jacquelyn Martin)
Sen. Kamala Harris, D-Calif., and Sen. Cory Booker, D-N.J., left, pause as protesters disrupt the confirmation hearing of President Donald Trump’s Supreme Court nominee, Brett Kavanaugh, on Capitol Hill in Washington, Tuesday, Sept. 4, 2018. (AP Photo/J. Scott Applewhite)
WASHINGTON — Spoiling for a fight, a trio of Democratic senators weighing 2020 presidential campaigns seized upon the opening moments of Supreme Court nominee Brett Kavanaugh’s Senate confirmation hearings Tuesday in a show of force aimed at countering President Donald Trump.