Here's a link to the NPR site listing some of Acorn's donors. It's a bit dated but you'll get the idea.

http://www.npr.org/blogs/secretmoney/2008/10/acorns_money_tree_has_many_bra.html

And when everything else fails, there's always extortion. Check this out. That's not all. Note the list of major financial corporations in the prior link who gave them money. Do you think they really wanted to? It's a new twist on the protection rackets.

http://www.washingtonexaminer.com/opinion/blogs/beltway-confidential/Why-is-ACORN-giving-tax-advice-Started-with-H--R-Block---59123462.html

They'll never run out of money.....Soros will see to that.