October 2, 2015 1:59 PM EDT

It has become a grim political tradition: Another mass shooting, more calls for action and mourning from the floors of the House and Senate.

The Congressional reaction to the latest shooting in Oregon, which left at least 10 people dead, is just beginning to emerge. In the meantime, here is a look at the frequency of mentions of key terms like “Columbine,” “Virginia Tech,” and “Newtown” from floor speeches in the House and Senate over the last two decades, courtesy of Quorum.


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