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We saw earlier this year that, even though four of the current justices are ready to take up a number of Second Amendment cases, they weren't sure if they had a fifth vote on the merits -- because they weren't sure about the chief justice, it seems likely that the confirmation of Judge Barrett would remove that uncertainty and open the pipeline to a flurry of Second Amendment cases, perhaps ranging from the constitutionality of criminal felon-in-possession statutes to large-capacity magazine bans.