From CNN  Did Romney enable company’s abusive tax shelter?  By Peter C. Canellos and Edward D. Kleinbard:

Excerpt
Mitt Romney’s refusal to release tax returns in the critical years of his income accumulation has done little to dispel the legitimate concern that arises from hints buried in his scant disclosure to date: Did he augment his wealth through highly aggressive tax stratagems of questionable validity?

Opinion: Why won’t Romney release more tax returns?

One relevant line of inquiry, largely ignored so far, is to examine what exists in the public record regarding his attitude toward tax compliance and tax avoidance. While this examination is hampered because his dealings through his private equity company, Bain Capital, are kept shrouded, there are other indicators.

A key troubling public manifestation of Romney’s apparent insensitivity to tax obligations is his role in Marriott International’s abusive tax shelter activity.

Stay tuned for UPDATES!