Citizens United elected more Republicans

The 2010 Supreme Court decision that helped usher in a new era of political spending gave Republicans a measurable advantage on Election Day, according to a new study. The advantage isn’t large, but it is statistically significant: The researchers found the ruling, in Citizens United v. FEC, was associated with a six percentage-point increase in the likelihood that a Republican candidate would win a state legislative race.

Source: Study: Citizens United elected more Republicans - The Washington Post