Visualize the 117th Senate and its members, and compare it with past congresses
On March 7th, 1975, in a bipartisan vote, the U.S. Senate voted to amend Rule XXII (which governs the end of debate, and thus filibustering) to lower the threshold for cloture from 67 to 60 votes.
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Under the direction of President John Adams, the Congress passed the Sedition Act of 1798, which made it a criminal offence to publish statements critical of the federal government. The first individual to be tried under the law was Rep. Matthew Lyon, who unsurprisingly had voted against its passage. Lyon was re-elected from jail.
