Explained: Senate Democrats will not let Trump put a 'right-winger' on the Supreme Court, Schumer vows

Schumer says Democrats will not allow Trump to put 'a right-winger' on the Supreme Court

filibuster

A Senate procedure requiring 60 votes to pass most legislation, which the minority can use to block bills

Senate majority leader

The senator who leads the majority party and controls the chamber's legislative agenda

Supreme Court vacancy

An open seat on the nation's highest court that the president must nominate someone to fill

midterm elections

Elections held partway through a president's term that can shift control of Congress

Cabinet

The group of top officials, such as department secretaries, who advise and serve under the president