Never Back Down, the Ron DeSantis super PAC, played an outsized role in the Iowa caucuses campaign of the Florida governor. Its impact on the results, in which DeSantis came in second to former President Donald Trump, will likely remain an open question.

But one thing is sure: It mocked the already weak regulatory framework governing money in campaigns.

A PAC, or political action committee, is a group that is formed to support a candidate by raising and spending money on various activities; it is not supposed to coordinate with the candidate it supports, nor should it be controlled by that candidate.

Super PACs have been a force in caucus politics since 2012. That year featured the first nomination cycle after the U.S.........

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