If you check in on any of New Jersey Sen. Cory Booker’s social media pages today, you’ll probably notice that he’s been talking for a while.

He’s standing on the Senate floor (occasionally resting against his desk) to criticize the Trump administration’s agenda and the work of Elon Musk’s “Department of Government Efficiency.” He’s also showing his fellow Democrats what it looks like to “do something” when you’re locked out of power in Washington DC.

Now well past the 18th hour of a marathon address on the Senate floor, Booker is engaging in a not-quite filibuster — an old congressional tradition. Usually known as a filibuster, these kinds of marathon addresses are a procedural tool. They take advantage of the Senate’s rules that allow for unlimited debate or speaking by a senator unless there have been special limits put in place. Senators recognized by the presiding officer can speak indefinitely, “usually cannot be forced to cede the floor, or even be interrupted”…but “must remain standing and must speak more or less........

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