Factwalk: Dark Money in Politicshttp://www.factwalk.com/dark_money_in_politicsFacts, information and statistics on Dark Money in Politics.OpenSecrets: Liberal Dark Money Dominating 2014 Electionshttp://www.factwalk.com/1311Nobody really thought that election-related spending by outside groups -- which totaled $1 billion in the 2012 election cycle, not counting party spending -- would do anything but grow in future elections. But the increase so far in 2013 is surprising even so: Super PACs and politically active nonprofits have spent more than three times their outlays at the same point in the last election -- $20.6 million, up from $6.3 million2013-11-14 20:58:06