Fact-checking Bernie Sanders’ claim that Jim Kenney’s soda tax is regressive: True

Jim Kenney’s proposed soda tax went national last week.

Hillary Clinton led off what became a back-and-forth political battle by voicing her support for the tax at a forum in Philadelphia. Bernie Sanders chimed in later to call the tax regressive.

Kenney fired back in an editorial on Huffington Post that his proposal, which would levy a three cent per ounce tax on distributors, was a "corporate tax" and said Sanders was siding with beverage corporations. Then Sanders responded with an editorial of his own, in Philly Mag. He basically...