More than likely to help the dems more if past trends continue.
OpenSecrets.org released a "Heavy Hitters" list of the top federal elections donors from 1989 to 2014.
By my count, there are 10 unions in the top 15 and 11 before the first Republican donor shows up at number 17. There are also, at least, 22 unions before the hated Koch Industries appears in 59th place.
Pat