But Karen Hobert Flynn, president of the democracy reform group Common Cause, said: “The reality since that decision shows that it is not necessarily independent – we see lots of coordination between candidates and Super Pacs – and it causes enormous damage to our imperfect democracy where wealthy mega-donors, corporations, special interest groups not only impact and influence elections but, once elected, lawmakers feel like they need to grant favours for those who funded their campaigns.”

Super Pacs are obliged to...