Author and filmmaker Charles Ferguson, the director of No End in Sight and Inside Job, makes a compelling case, via the Huffington Post, that the refusal of Glenn Hubbard, Mitt Romney’s chief economic advisor and chairman of the Council of Economic Advisors under George W. Bush, to disclose critical information about his income, conflicts of interest and paid advocacy activities — just like Romney’s refusal to release years of tax returns he previously made available to John McCain’s campaign during 2008 — is something that matters, deeply. Again, for the full read, click here.