>> PHOTOS: Notable supporters of 2016 presidential candidates
And Clinton obviously knows this. But her announcement is meant to reassure progressive voters that she is serious about overturning the Supreme Court decision that deregulated campaign finance. Clinton also vowed to appoint Supreme Court justices who would overturn the decision.
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Clinton is sure to be criticized because she's been a huge recipient of the deregulated finance system. But, believe it or not, this isn't a brand new Clinton position. She rolled out a plan for campaign finance reform last fall.
This video includes clips from Hillary for America, MSNBC and C-SPAN.