Very Last Word: A lawsuit will clarify the debate over ‘exclusively’ vs. ‘primarily’

On Tuesday's Very Last Word, MSNBC's Lawrence O'Donnell declares the campaign to clarify the Internal Revenue Services' interpretation of the 501(c)(4) law governing tax-exemption status a success.

On Tuesday’s Very Last Word, MSNBC’s Lawrence O’Donnell thanked Rep. Chris Van Hollen’s efforts to force the Treasury Department to instruct the Internal Revenue Service apply the 501(c)(4) law governing tax-exemption status as it is written.