WASHINGTON, DC - JANUARY 21:
during a rally decision calling for an end to corporate money in politics and to mark the fifth anniversary of the Supreme Court's Citizens United decision, Lafayette Square near the White House , January 21, 2015 in Washington, DC. Wednesday is the fifth anniversary of the landmark ruling, which paved the way for additional campaign money from corporations, unions and other interests and prevented the government from limiting corporate political spending. (Drew Angerer/Getty Images)
The 2010 Supreme Court ruling shifted the advantage to Republican candidates in state legislative races.
Using a scientific approach, they were able to determine that the edge is between 4-10% points per state.
Source: Yes, ‘Citizens United’ gives Republicans an electoral edge. Here’s proof. – The Washington Post
