Only when you get to #5 do you see union money. But, the interesting thing about that money is
Most of the political work of the Service
Employees International Union is funded
by about 300,000 janitors, nurses' aides,
child-care providers and other members
who voluntarily contribute on average $7
per month to SEIU's Committee on Political
Education (COPE).
So, the top 5 list for 2012 literally consists of 2 people on the Republican side and hundreds of thousands or millions of people on the Democratic side.
The first two items in the list are both Sheldon Adelson
ActBlue is primarily individuals donating to democratic candidates they support.
#4 backed republicans almost exclusively. Interestingly, their founder funded Oliver North's legal defense in the Iran-Contra scandal. More on his 2012 campaign funding: https://en.wikipedia.org/wiki/Harold_Simmons#2012_presidenti...
Only when you get to #5 do you see union money. But, the interesting thing about that money is
http://www.washingtonpost.com/wp-dyn/content/article/2010/10...---
So, the top 5 list for 2012 literally consists of 2 people on the Republican side and hundreds of thousands or millions of people on the Democratic side.