Lawrence O'Donnell has been Barney Frank's biggest, or at least most vocal, supporter in Frank's bid to fill John Kerry's Senate shoes until the special election. On tonight's Last Word, Lawrence broke the news that Deval Patrick will be making his decision known on Wednesday and is set to appear that night on the Last Word - also known as "Barney Frank's Campaign Headquarters".
Visit NBCNews.com for breaking news, world news, and news about the economy