MSNBC, in its report on the Priorities groups (which ran with the headline, emphasis mine, “Democrats opt for pragmatism on secret donors”), identified one of the dangers awaiting—along with the cash—down that “dark alley:”

[I]s there a danger that once Democratic donors become accustomed to using Burton-type groups, that they might find that the system works well for their purposes?

Stay tuned.

Here’s that Center for Responsive Politics slideshow, in full:

Effects of the Citizens United v. Federal Election Commission

Liz Cox Barrett is a writer at CJR.