What is the Senate filibuster?

Senate filibuster explained: What is it and why do some want to change it?

Examining the Filibuster: The Filibuster Today and Its Consequences | U.S. Senate Committee on Rules & Administration

Senate Democrats filibuster for gun control

U.S. Senate-Senators McCain and Reid on Senate Filibuster Rules

Senate Filibuster Reform

Senators spar over whether to eliminate or reform the filibuster

The Filibuster in Colonial Times