DNC's new rules call for "good faith" participation as a Democrat.
Sanders just a few weeks ago announced his presidential run – as a Democrat.
Sanders will challenge President Trump, nearly a dozen Democratic candidates, and new DNC rules requiring candidates to be Democrats at the time of their announcement.
"Bernie Sanders either doesn't realize or doesn't care about the symbolism of his redirecting attention from Stacey Abrams."
“I certainly apologize to any woman who felt that she was not treated appropriately and of course, if I run we will do better next time.”